AZ FFA Ag Mech CDE Questions
1 yd, 7'-11"" ÷ 3 = "
1 yd, 7 2/3"
If the local property tax is 1%, what is the tax cost per year on a potato storage facility with a value of $150,000?
$1,500.00
A farmer pays $37,039.20 for a rural lot that measures 122' wide and 184' deep. What is the land cost per square foot?
$1.65
Mortar for bed joints should be spread _____" thick.
1
The flat welding position is indicated by the number _____.
1
________ is the minimum clearance between the maximum dimensions of mating parts.
Allowance
What is a metal called when it has two or more significant metallic elements?
Alloy
________ coating is an all-purpose coating formulated with varnish as the vehicle for aluminum-flake pigment.
Aluminum
________ is a lightweight, noncorrosive, nonmagnetic metal.
Aluminum
Electrodes are identified by classification systems established by
American Welding Society
Electrodes are identified by classification systems established by.
American Welding Society
What welding agency or entity does the acronym AWS indentify?
American Welding Society
Commercial livestock feedlots must comply with the pollution regulations established by the ________ Act
Concentrated Animal Feeding Operations (CAFO)
________ is a mixture of cement, aggregate and water.
Concrete
Determine the volume of a 6-foot diameter round bale that is 5-feet long. What is the weight of the bale if the density of the bale is 14 lbs/ft3? Note: Volume of cylinder = (π) x (r)2 x (length) (π = 3.14, r = radius)
1,979#
Approximately how many acres are in a rectangular field measuring 1200 feet by 363 feet? Note: 1 acre = 43,560 square feet
10 acres
Surface-mounted incandescent lighting located in a closet must be installed at least inches from the storage shelving.
12
Rectangular slab measuring 12' long by 10' wide."
120 sq ft
(average saving in energy cost per month)"
19.4 months
35 yd, 8'-19"" x 5 = "
190 yd, 2"-11"
13'-6" - 10'-8" =
2'-10"
The most common grade of diesel fuel used in the United States is Grade No. _____.
2-D
What percentage of hay is contained in the outer 4 inches of a 6 foot diameter round bale?
20%
Force = Pressure x Area radius = (diameter ÷ 2)"
20,490 pounds
18'-9" - 12'-10" =
5'-11"
What is the recommended AWS/ANSI lens shade number for cutting one inch thick metal using oxygen fuel cutting (OFC)?
5-6 AWS/ANSI lens shade
Which of the following would be considered a fuel conservation technique?
Shifting to a higher gear and throttling down when pulling a light load
________ sprinklers are evenly spaced on staionary platforms and pumped to deliver water at a lower rate than the soil infiltration rate so water is evenly applied to the crops.
Fixed
Which of the following types of large round balers produces bales with a low density inner core?
Fixed chamber
________ welding is used to butt- or miter-weld sheet, bar, rod, tubing and extruded sections.
Flash
________ welding produces a weld at a specified location by using the heat of the arc when the parts touch and the application of pressure after heating.
Flash
What determines the temperature to which seed grain should be dried?
For maximum seed viability the temperature is relatively low, such as 100F
________ is the melting of base metal and filler metal, or base metal only, to make a weld.
Fusion welding
A _______ functions by comparing the current in the "hot" wire with that of the "neutral" and opening the circuit if these currents differ by 5/1000 amp or more, thus shutting off the power and eliminating the shock hazard.
GFCI
_______ functions by comparing the current in the "hot" wire with that of the "neutral" and opening the circuit if these currents differ by 5/1000 amp or more, thus shutting off the power and eliminating the shock hazard to personnel.
GFCI
________ welding is an arc welding process that produces an arc between a continuous wire electrode and the base metal, creating a weld pool in the presence of a shielding gas.
Gas metal arc
________ is commonly used to contain livestock, horses and poultry or to protect farm animals from predators.
Fencing
________ is the anaerobic processing of organic feed materials that occurs without oxygen and produces alcohols and organic chemicals.
Fermentation
________ welding produces an arc between a nonconsumable tungsten electrode and the base metal, creating a weld pool.
Gas tungsten arc
Which of the follow correctly describes the relationship between application rate (pounds per acre) and the overlap between multiple passes of a granular fertilizer spreader?
Greater overlap between passes will increase the overall application rate
Assume you have just purchased the hoses and regulators for an oxyacetylene welder. The hose that would be used to contain the oxygen would most likely be ________ in color and the fittings would have ________ threads
Green; right-hand
The silver terminal on a receptacle is identified for the connection of the _________ conductor.
Grounded
Which one of the following welding related safety concerns is more likely to occur gradually over an extended period of time?
Hearing loss caused by extended exposure to elevated sound levels
What is the chemical symbol for Mercury?
Hg
What are two problems that can occur when broken grain and foreign material (fines) are present in stored grain?
Increased spoilage and restricted air flow
________ is the hoisting of equipment or materials by mechanical means.
Lifting
________ examination requires the use of a cleaner, a penetrant and a developer to complete the test process.
Liquid penetrant
________ examination uses a strong magnetic field and a fine iron powder to detect surface and near-surface discontinuity in ferrous metals.
Magnetic particle
Which of the following items represents a machinery operating cost?
Maintenance
Which of the following documents identifies a chemical or pesticide product, describes the physical characterizes of the product, and lists the health effects, exposure limits, and precautionary measures for the end user?
Material Safety Data Sheet (MSDS)
Overhead service conductors often contain a bare neutral wire. What is the name often applied to this conductor?
Messenger
What is another name used to describe the gas metal arc welding process?
Metal inert gas welding
When welding with a direct current machine straight polarity, the electrode holder would be
Negative
________ wire fabric is a type of fencing mesh with 2" x 4" openings and is used in areas where trespassers are likely.
No-climb woven
What is the recommended eye protection shade number for a welding helmet lens used when welding with 1/8 inch electrode?
No. 10 lens shade
The minimum size branch circuit conductor is
No. 14
________ sprinkler systems use a lateral pipeline with sprinkler heads installed at regularly spaced intervals.
Portable
________ is a ground and calcined (heated) mixture of limestone, shells, cement rock, silica sand, clay, shale, iron ore, gypsum and clinker.
Portland cement
Which one of the following would be considered specialized planting equipment?
Potato planter
________ energy is stored energy a body has due to its position, chemical state or condition.
Potential
Which of the following will improve the effective field efficiency of an eight row planting operation?
Refill the planter's hoppers in the field rather than returning to the storage barn
Which of the following is probably the reason that an electric motor hums when it is turned on and will not start until the motor shaft is spun by hand?
The starting winding is burned out
________ is equal to force times distance.
Torque
If an electrical relay is used to correctly control a three-phase motor, which of the following pole designations is correct for the relay?
Triple pole
The ________ is the organization, office or individual responsible for approving the equipment and materials used for building construction.
authority having jurisdiction (AHJ)
Residue from the agricultural and food processing industry includes ________.
barley straw
The portion of the common rafter which sets on the top plate is called the
birds mouth.
A/An _________ post is a fence post used as a part of a fence brace.
brace
A/An ________ is a masonry unit made of clay or shale that is formed into a rectangular shape while soft and then fired in a kiln.
brick
Metal chips are best removed from a drill press worktable with a ________.
brush
A/An ________ is the portion of gas piping that supplies gas to various appliances throughout a building.
building supply main
The wire through which electric current travels is called a:
conductor
A ________ is a tool with a wide rubber blade used to remove bleedwater or rainwater from concrete.
floor squeegee
A/An ________ aquaculture system is constructed in a manner that allows it to receive a constant flow of water.
flow-through
A/An ________ is the part of a building that rests on and extends into the ground to provide support for a structure.
foundation
Waste from the agricultural and food processing industry includes ________.
fruit pits
A/An ________ valve is a full-way valve that uses a threaded stem to raise and lower a wedge-shaped disk that fits against a smooth machined surface, or valve seat, within the valve body in order to regulate fluid flow.
gate
A/An ________ receptacle is manufactured to supply various types of electrical loads and meets UL safety standards for general use.
general-use
A/An ________ is a diesel engine component that preheats air inside the combustion chamber to facilitate ignition of the charge.
glow plug
Which of the following would be classified as a destructive type weld test?
guided bend
A/An ________ is any tool powered by hand.
hand tool
A ________ tap is used to start a thread after a taper tap has been used.
plug
A/An ________ metal is a metal that consists of one chemical element.
pure
A/An ________ is a person who has special knowledge, training and experience in performing specified duties.
qualified person
The two primary methods used to cut logs into lumber are plain sawing and ________ sawing.
quarter
A ________ router bit is used to cut a 90o corner into a wood workpiece.
rabbeting
A/An ________ is a weld bead that extends into or includes part or all of the joint root.
root bead
Which of the following is not a recommended activity when servicing spark plugs on a small engine?
sandblasting
The most common ________ are hydrogen sulfide and methane.
sewer gases
A/An ________ is a steel angle iron attached to structural backing members to support horizontal courses of brick for high masonry walls.
shelf angle
A/An ________ cutting tool is a relatively small piece of high-speed steel ground to form the cutting edges essential in removing metal efficiently.
single-point
The arc from an Arc Welder has a temperature of about 9000 degrees. Which of the following variables will not affect the welding temperature?
size (length) of the electrode
Most screws are made of ________.
soft steel
Receptacle outlets and switches for lighting, appliances, and other types of electrical equipment installed in a residence are indicated on the electrical contractors wiring plan by .
standard electrical symbols
A/An ________ is a U-shaped metal or wire fastener with pointed ends.
staple
The first two digits in the AWS electrode classification number designates the:
tensile Strength
Frequent torch use causes carbon to form in the passage of the ________.
tip
A ________ test is a metal identification test that uses the application of heat to identify a metal by its color change, melting point and behavior in the molten state.
torch
Valve stems are held in alignment by a:
valve guide
Information: 1 foot = 12 inches 3/16 inch = 0.1875 inch"
1 foot, 4~31/32 inches
The average annual fixed costs for owning a grain drill is $4,950 and operating costs are $7.36 per acre. If the custom rate for seeding wheat is $10.50 per acre, how many acres must be planted annually to break even on owning and operating the grain drill? Note: break even acreage = average annual fixed costs/(custom rate per acre - operating cost per acre)
1,576.43 acres per year
Approximately how many hours are required to pump 47,600 gallons of liquid if the pumping rate is 420 gallons per minute? Note: 1 hour = 60 minutes
1.9 hours
A table saw blade should protrude no more than 1/8" to ________" above the stock being cut.
1/4
With single-phase voltage, one complete electrical cycle occurs each _____ of a second.
1/60
When performing OAW work, the distance between the inner cone of the flame and the puddle of molten metal should be _____".
1/8
What is the approximate displacement of a single cylinder engine that has a 2.75 inch bore and a 2.5 inch stroke? Note: Displacement of Cylinder = (stroke) x (π) x [(bore diameter)2 / 4 ]
14.85 cubic inches
7 yd, 2'-20"" ÷ 4 = "
2 yd, 2"
Number 8 size rebar has a weight of ________ lb per foot.
2,670
A tractor fueled by No. 2 diesel burns 8.00 gallons per hour. When the same tractor is fueled with B20 biodiesel it burns 66 gallons of fuel in eight hours. Approximately how many more gallons of fuel will the tractor use during eight hours of operation if it is fueled by B20 biodiesel rather than No. 2 diesel?
2.0 gallons
What is the typical reaction time required for a person to receive an unexpected signal, decide what to do, and do it?
2.8 seconds
How many acre-feet of manure are in a 1.7 acre lagoon filled to a depth of 12 feet? Note: 1 acre foot = 43,560 ft² x 1 foot deep = 43,560 cubic feet
20.4 acre-feet
If a railcar has a 60-ton maximum capacity, approximately how many sacks of seed wheat can it safely hold if wheat sacks have an average weight of 53 pounds? Note: 1 ton = 2000 pounds
2264 sacks
Oxygen and acetylene cylinders are available in a size containing _____ cu ft of gas.
244
When used for manure storage, what rainfall frequency and amount should the holding pond be designed to withstand?
25 year, 24 hour rainfall
Rectangular slab measuring 100' long by 25' wide."
2500 sq ft
Approximately how much time is required to remove 600 round hay bales from a field if bale transport can be completed at an average hauling rate of 9.5 bales per hour?
63 hours and 10 minutes
The most common shielding gases used in agricultural welding projects are carbon dioxide and a mixture of carbon dioxide and argon, typically a ratio of ______% argon and _____% carbon dioxide.
75; 25
What do most DMMs measure?
All of the answers listed
What is/are a/the primary function(s) of a valving system?
All of the answers listed
Which of the following is/are (a) type(s) of hydraulic valves?
All of the answers listed
Which of the following would be an example(s) of confined spaces in agricultural locations where welding could be performed?
All of the answers listed
What are the advantages of gold-coated filter lenses?
Allows the welder to see the work in natural colors and reflects 99.9 percent of the harmful rays and 99.9 percent of the heat.
If a flat field measures 1320 feet by 2640 feet and is not bordered by a fence, what direction should the field be disked for optimum field efficiency for equipment operation?
Along the 2640-foot direction
A partially sheared flywheel key can result in which of the following?
Altered engine timing
________ is the cultivation and harvesting of the natural products of water.
Aquaculture
________ welding is welding that joins metals by heating them with an electric arc.
Arc
________ is the distance from the tip of the electrode core wire to the weld pool.
Arc length
________ is a dark-colored pitch primarily composed of natural or synthetic hydrocarbon minerals.
Asphalt
________ nails are flat on one side and round on the other and are commonly used in areas with milder climates.
Clipped-head
Which of the following is a biological process where microorganisms convert organic material like manure and leave into a soil-like material?
Composting
________ is a thermosetting plastic made from medium or high-density cross-linkable polyethylene and is used for water service piping and cold and hot water distribution piping.
Cross-linked polyethylene (PEX)
What is the chemical symbol for Copper?
Cu
________ is the number of electrons flowing through an electrical circuit.
Current (I)
If three different sized (Watts) lights are connected to electrical power in such a way as to allow each light to operate at rated voltage and amperage, how should they be wired?
In parallel
If a tractor has 20% wheel slippage, what could be done to correct the tractor's wheel slippage?
Increase tractor ballast
________ is a heavy and dense material with a low melting point, low strength and high rate of expansion.
Lead
Aluminum coatings can reflect up to _____% of the sun's rays.
None of the answers listed
Which of the following items represents a fixed machinery cost?
Depreciation
Which factors influence the minimum horsepower required when selecting a tractor?
Desired implement width and operation speed
If three light bulbs, 50 Watts, 100 Watts, and 200 Watts, are connected in parallel to 110 volts, which of the following is true?
Each light operates at the same voltage
________ testing is a method of examination that uses electromagnetic energy to detect discontinuities in welds.
Eddy current
________ is a finishing procedure that rounds off the square edges of a slab.
Edging
Which of the following is not another name for Shielded Metal Arc Welding?
GMAW
________ are glasses with impact-resistant lenses, reinforced frames and side shields.
Safety glasses
________ is the movement of increased temperature from one material to another.
Heat transfer
In the ________ welding process, heat for welding is generated in a hot tool. The edges to be joined are heated to the proper temperature and then brought into contact and allowed to cool under pressure.
Heated-tool (Heated surface)
Which of the following types of hay conditioners uses a row of fast spinning tines to condition hay?
Impeller
Which one of the following statements is correct with respect to wearing safety glasses while welding?
Safety glasses should be worn continuously while working with or near metal working activities
A/An ________ is used to lay out points by calculating (turning) known angles from known points.
transit-level
A/An ________ is a device in the power train of a motorized vehicle that provides different gear ratios between the engine and drive wheels as well as neutral and reverse positions.
transmission
The ________ angle is the angle between the electrode and the weld axis.
travel
A/An ________ is an organic chemical compound that has high enough vapor pressure under normal conditions to vaporize and enter the atmosphere.
volatile organic compound (VOC)
A ________ is a component that acts as a bypass or pressure-relief valve within a turbocharger.
wastegate
A/An ________ joint is a weld joint formed when the edges of two or more parallel, or nearly parallel, parts are joined.
edge
A/An ________ is a securely attached, movable barrier at an opening in a fence and is used to control access.
gate
The most common method of increasing valve clearance on a small gasoline engine is to
grind off the end of the valve stem
Networking for open positions within a particular industry or field requires talking to ________.
instructors from schools attended
The four strokes of a four-stroke cycle engine and the order in which they occur are:
intake-compression- power-exhaust
How should round bales be stacked when stored in a barn?
on end to reduce pressure on the barn wall
The color ________ is used with safety color coding to indicate safety devices and locations of first aid equipment.
orange
A/An ________ sander operates with an oscillating (back and forth) motion.
orbital
A/An ________ sketch describes a three-dimensional object in a two-dimensional space.
orthographic
A/An ________ is a circuit breaker or fuse that provides overcurrent protection to a circuit.
overcurrent protective device (OCPD)
A ________ is a unit of measurement that indicates permeability and is based on a formula that measures the water vapor flow through the thickness of a single material or combined materials.
perm rating
Livestock are considered to be ________ property
personal
The inclination of a roof can be expressed as either roof slope or roof ________.
pitch
Concrete ________ is the transfer of concrete from a concrete truck or other transporting means into assembled concrete forms.
placement
A/An ________ is an isolated circuit contact that is used to activate individual circuits.
pole
A ________ system is a system that includes a water service pipe, water distribution pipes, branch and supply pipes, fittings and water meter valves.
potable water supply
The ________ loads used with a semiautomatic tool are attached to a strip or disk that is inserted into the tool.
powder
A/An ________ is a metal casing that contains a powder propellant and is crimped closed on the end and sealed.
powder load
The ________ is the relationship between power (P), voltage (E) and current (I) in an electrical circuit.
power formula
A/An ________ is a chemical agent that cleans and softens plastic pipe and fittings and allows solvent cement to penetrate more effectively into the pipe.
primer
In a/an ________ type wire feeder, the electrode is fed through the welding cable and pulled by drive rollers located on the welding fun.
pull
The horizontal lumber that is attached to rafters so that metal sheeting can be attached in pole building construction is called
purlins.
The ________ angle is the angle in which the electrode points toward the direction of travel.
push travel
A/An ________ is an electric tool with a drill bit that is rotated and moved with a percussive action to bore holes larger than 5/8" in diameter into hard materials such as concrete or masonry.
rotary hammer
Power drills, impact wrenches ad power screwdrivers use a/an ________ motion during operation.
rotational
A portable power ________ is a cutting tool used for mortising and shaping operations, such as mortising door hinges or rounding the edges of a countertop.
router
A/An ________ is a measuring tool divided into even increments.
rule
A/An ________ is printed documentation used to relay hazardous material information from a manufacturer, importer or distributor to a worker.
safety data sheet (SDS)
A ________ generally consists of metal or wood planks and metal bracing.
scaffold
A print ________ is a chart used to conserve space and display information on a print in a concise and organized format.
schedule
A ________ is a square tract of land measuring 1 mile (1.61 km) on each side and contains 640 acres (259 ha).
section
A/An ________ drawing is a type of drawing that indicates the internal features of an object.
sectional
A well-designed electrode holder will be well-balanced to reduce excessive fatigue while welding and will ________.
secure and release electrodes easily
A/An ________ screw is a threaded fastening device that, when driven into thinner metals, will drill a hole, cut threads and fasten in one operation.
self-drilling
A/An ________ is a permanent conductor placed across a water meter to provide a continuous flow path for ground current.
shunt
A/An ________ is a valve with integral external threads installed on the exterior of a building for the attachment of a hose.
sillcock or hose bibb
Which terminal of an electrical device is designated for the grounded conductor?
silver terminal screw
The thermal protection device found on many 120-volt electric motors would be classified as
single poled, normally closed
The most common switch use in agricultural installations is a ________ switch.
single-pole, single-throw
A ________ engine is an internal combustion engine that converts heat energy from the combustion of a fuel into mechanical energy generally rated up to 31 HP.
small
A ________ is a state of matter that has a definite volume and shape.
solid
Clean fuel drained from an engine should be
stored in an approved container
A/An ________ is an assemblage of equipment installed for switching, changing or regulating the voltage of electricity.
substation
A ________ grinder is a stationary power tool capable of extremely close tolerances in dimension and finish.
surface
A ________ is an engine component that rides on the camshaft and pushes the bottom of the valve stem to open the valve.
tappet
A/An ________ valve is a safety device used to protect against excessive temperature and/or pressure in a water heater.
temperature and pressure (T&P) relief
A lean fuel mixture means that
the mixture has less fuel and more air
________ is the measure of the force applied to a member to produce rotational motion.
Torque
Which of the following is the cause for the majority of fatal tractor accidents?
Tractor overturns
Which of the following correctly describes the requirement for tractor ROPS?
Tractors used in orchards (low profile) may need a ROPS that can be lowered
________ is the cross-sectional shape of the weld after filler metal is added to the joint.
Weld type
________ processes used include oxyfuel, arc and resistane.
Welding
A/An ________ generator, or induction generator, is an AC generator that rotates at a changing speed slightly below synchronous speed.
asynchronous
A/An ________ weld is a fusion weld made without filler metal.
autogenous
A/An ________ saw is a stationary power saw that has a flexible saw blade that forms a continuous loop around two parallel wheels.
band
A/An ________ is located near a welding and annealing station and is used to cut the saw band when it must be threaded through a workpiece for internal sawing operations.
band shear
A/An ________ wire is a wire composed of two twisted steel strands with sharp two- or four-point barbs woven in along its length and spaced 4" to 8" apart.
barbed
A/An ________ is a chemical power source that produces electricity through a chemical reaction between battery plates and battery acid.
battery
A/An ________ is a stable reference point marked with the elevation above mean sea level from which differences in elevation around the work area are measured.
benchmark
A/An ________ is a horizontal layer of brick in a masonry structure.
course
To assemble OAW equipment, first ________.
crack the cylinder valves by opening and closing them quickly to remove debris
A ________ fence is a fence that is specifically used to divide a property.
cross
A/An ________ joint is a vertical joint that joins bricks at their sides.
cross
An oil ________ is an oil reservoir located on a bearing housing to provide lubrication to a bearing.
cup
A/An ________ transformer is a transformer in which a coil is placed around a wire that carries current.
current
A/An ________ is a component that converts fluid pressure into linear mechanical force.
cylinder
What type of power supply is used for the flux core arc welding process?
Constant voltage
Which of the following terms describes the appropriate power source for the gas metal arc welding process?
Constant voltage
Primarily used to bond plastic laminates to wood surfaces; has a neoprene rubber base; used to join parts that are difficult to clamp together.
Contact cement
________ is the number of times the contacts of a switch or relay can be actuated before malfunctioning.
Contact life
________ vents run along the ridge of a roof.
Continuous ridge
Which of the following pesticide spray application equipment types use spinning disks or cups to break liquid into uniformly sized droplets by centrifugal force?
Controlled droplet applicator
3/8 x 12 =
4 1/2
When installing barbed wire fences, the highest barbed wire strand is typically installed about _____" above the ground
48
Why is a change in polarity useful in electric arc welding?
Controls heat & depth of penetration.
________ is heat transfer that occurs when currents circulate between warm and cool regions of a fluid.
Convection
________ is the movement of heat through the circulatory motion of air or liquid.
Convection
As a farm implement is used more and more hours per year, what happens to the average fixed cost per hour of use?
Decreases
Which of the following is a list of fertilizer application techniques?
Deep banding, broadcasting, and surface banding
Which of the following is a fixed cost associated with owning small grain machinery?
Depreciation
1 foot = 12 inches 1 pound = 16 ounces"
48 inch-pounds
Using basic workpiece calculations, how many 1 3/4" strips may be cut from a 10" wide wide wood board? (Allow 1/8" for each saw kerf.)
5
At least how many inches of free conductors shall be left at each outlet, junction, and switch point for splices or the connection of fixtures and devices?
6 inches
A tractor PTO shaft rated at 540 RPM would have
6 splines
Rectangular structure measuring 10"" thick by 12' wide by 20' long."
7.4 cu yd
Water-based coatings must be stored in an area where the temperature will not drop below 32oF or rise above _____oF.
90
A portable 120-volt electrical power tool with double insulation construction has what safety features?
A plastic (insulated) external housing (body) and insulation on the internal motor windings
On a direct current arc welding machine, what electrical component converts the incoming alternating current into direct current for welding?
A rectifier
Shortens set time and increases early strength.
Accelerator
________ is a soft metal alloy made of copper, tin and antimony.
Babbitt
When moving a tractor up a steep incline, such as the loading ramp of a transport trailer, which of the following is the recommended procedure?
Back up the incline
________ is the replacing of soil in trenches and excavations after work is complete.
Backfilling
What two mishaps may occur when an operator stacks large round bales using a tractor-mounted front-end loader?
Bale rollback and tractor rollover
What is the name of the mix of base metal and filler rod that remains after a weld is complete?
Bead
________ may be subjected to radial loads, axial (thrust) loads or a combination of radial and axial loads.
Bearings
What is the proper body position for a person to safely lift and lower heavy materials?
Bend at the knees, keep hips and back aligned and almost vertical, and use leg muscles to lift and lower
________ fuel is a clean-burning alternative fuel produced from domestic, renewable resources.
Biodiesel
________ is a fuel consisting of wood products, vegetation and refuse.
Biomass fuel
________ insulation is a type of material used to inhibit transmission of temperature and sound.
Blanket-and-batt
________ insulation is the material most widely used to insulate walls, floors, ceilings and attics.
Blanket-and-batt
________ is the process of removing air that may have entered a hydraulic system.
Bleeding
________ is a method of quickly marking a structure of an object on a sketch by breaking the subject into common shapes and lines.
Blocking-in
________ is the use of metal-to-metal contact or a wire between two containers to prevent possible ignition from static electricity sparks.
Bonding
Helps cement paste stick to aggregate and improve the adherence of fresh concrete to hardened concrete.
Bonding aid
________ irrigation systems are flood irrigation systems that consists of land formed into narrow, downward-sloping strips with ridges or small berms as boundaries.
Border strip
________ is the process of making holes by rotary drilling.
Boring
________ is a joining process that uses filler metal, brass or a bronze alloy at temperatures greater than 840oF but less than the melting point of the base metal.
Braze welding (BAW)
________ is a metal-joining process whereby a filler metal is heated above melting point and distributed between two or more close-fitting parts by capillary action. The filler metal is brought slightly above its melting (liquidus) temperature while protected by a suitable atmosphere, usually a flux. It then flows over the base metal (known as wetting) and is then cooled to join the workpieces together. It is similar to soldering, except the temperatures used to melt the filler metal are higher.
Brazing (B)
Modern small engines use a solid state ignition system to open and close the primary circuit. What part of the small engine ignition system opened and closed the primary circuit prior to the solid state system?
Breaker Points
A common unit for heat measurement is the ________.
British thermal unit (Btu)
A/An ________ is the quantity of heat required to raise the temperature of 1 lb of pure water 1oF at or near the temperature of maximum density of water (39oF)
British thermal unit (Btu)
________ is the characteristic of a material that causes the material to fracture without significant deformation.
Brittleness
What terminology describes the uniform application of a pesticide over an entire field?
Broadcast spraying
________ are available with 12- 32-power telescopes.
Builder's levels
________, also known as building dynamics or building physics, is the study of interaction between a building (including its HVAC, mechanical and electrical systems), its inhabitants and the surrounding environment.
Building science
________ roofing consists of layers (plies) of roofing felt bonded together while the roof is under construction with hot bitumen.
Built-up
How is the cleaning air controlled in a combine?
By adjusting the shutters, windboards, and fan speed
________ used in agricultural applications include nails, screws, bolts, rivets, staples, pins or keys to hold structural materials and components together.
Fasteners
What is the chemical symbol for Iron?
Fe
What is the scientific symbol for the element of iron?
Fe
________ is a state requirement to enclose areas that contain livestock through the use of fencing.
Fence in and Closed range
In a farming operation, an operating loan could be legitimately used to purchase which of the following?
Fertilizer
Which one of the following is a typical operational (variable) cost associated with owning agricultural machinery?
Fuel and oil costs to run machinery
________ is metal that is coated with a thin layer of zinc for the purpose of inhibiting oxidation, rust and corrosion.
Galvanized metal
________ piping systems can have plastic pipe that is yellow or black with yellow stripes.
Gas distribution
________ arc welding is an arc welding process that produces an arc between a continuous wire electrode and the base metal, creating a weld pool in the presence of a shielding gas.
Gas metal
________ arc welding is an arc welding process that produces an arc between a nonconsumable tungsten electrode and the base metal, creating a weld pool.
Gas tungsten
________ arc welding is a process in which auxiliary shielding gas is supplied from an external source through the welding gun, gas diffuser and flux core of the electrode.
Gas-shielded flux-cored
________ valves have a solid- or split-wedge disk.
Gate
A/An ________ is a system that collects, stores and manages geographic reference information.
Geographic Information System (GIS)
Class _____ includes low-power visible laser beams that normally do not present a potential hazard if viewed for short periods of time.
II
Many lasers used for construction are Class _____ lasers.
II
Which of the following safety concerns related to welding is more likely to occur gradually over an extended period of time?
Hearing loss caused by extended exposure to elevated sound levels
________ is kinetic energy caused by atoms and molecules in motion within a substance.
Heat
On a safety data sheet, Section ________ provides information concerning component chemicals, quantity of chemicals and Chemical Abstract Service (CAS) numbers.
II−Hazardous Ingredients/Identity Information
________ sketches are drawn around a vertical axis, a 30o axis to the right and a 30o axis to the left.
Isometric
Which of the following correctly lists the order of the four strokes of the piston in a four-stroke engine?
Intake, compression, power, and exhaust
Which of the following titles correctly identifies the technique of combining appropriate pest control tactics into a planned strategy that reduces pests and pest damage to an acceptable level?
Integrated Pest Management (IPM)
Which of the following can be defined as "the rental charge for the use of capital"?
Interest
Which of the following costs are generally considered to remain unchanged when the hours of machine use varies?
Interest cost
Which of the following is true with regard to the interest expense associated with a machinery purchase?
Interest on the cash used to purchase the machine is an indirect expense
Type _____ mortar has a compressive strength of approximately 750 psi and a low shrinkage rate.
N
The highest quality grade listed below for plywood is
N.
________ is an inflammation caused by irritants, found on job sites, that come in direct contact with the skin.
Occupational irritant contact dermatitis
________ should never be used on gas cylinders, regulators, connections or hoses because it can deteriorate seals, gaskets and rubber hoses.
Oil
Which of the following describes the correct level for engine oil in a four cycle lawn mover when it is not equipped with a dipstick?
Oil should be level with the top of the filler plug opening
In relation to the ground speed of the tractor, what speed should the mower-conditioner typically be set on for a standing crop?
One and one-quarter times the ground speed
When measuring voltage with an electrical multi-meter, where must the two meter leads be connected?
One lead to an ungrounded connection and one lead to a grounded connection
Which of the following statements is true with regard to granular fertilizer spreaders?
Operating spreaders with spinners over sloped terrain result in uneven distribution of fertilizer
What material or equipment is used to measure the spacing and/or wear on the bearing located between the rod and the crankshaft of a small gasoline engine?
Plastigage
Which of the following statements is correct regarding plywood appearance grades?
Plywood appearance grade for the front and back surfaces are designated by two letters
________ frame systems use a totally integrated engineering style not normally found in conventional construction.
Pole
________ panels are used more commonly with greenhouse construction due to lower cost, flame resistance and greater resistance to hail damage.
Polycarbonate
________ is a closed-cell material typically sandwiched between sections of asphalt-saturated felt or glass fiber facing.
Polyisocyanurate
________ is rigid plastic material used for waterstops, sanitary drainage and vent piping, aboveground and underground stormwater drainage, water mains and water service lines.
Polyvinyl chloride (PVC)
Which of the following is NOT a typical fastener used on wooden truss members?
Pop rivet
What would be a negative effect of insufficient shielding gas flow in the gas metal arc welding process?
Porosity
________ energy is stored energy a body has due to its position, chemical state or mechanical condition.
Potential
________ wire fabric is made from thin wires woven together in 1/2" to 1" hexagonal openings with edge wires for stiffness.
Poultry
Describe "urea resin."
Powdered plastic resin glue
________ is the rate at which work is done.
Power
________ is the rate of doing work or using energy.
Power (P)
A tractor mounted pesticide sprayer has a centrifugal pump that is typically driven or powered by what tractor component?
Power take off (PTO)
________ is heat transfer that occurs as radiant energy without a material carrier.
Radiation
Which of the following thread types and hose colors is correct for the oxygen hose on an oxy-acetylene regulator and hose assembly?
Right handed threads and green hose
________ frame systems are built with a combination of wood and metal frame members and covered with metal panels.
Rigid arch
________ insulation consists of polyurethane and polystyrene foam or fiberglass strands pressed into panels.
Rigid-foam
________ chain contains roller, pin and connecting (master) links.
Roller
________ is the portion of precipitation that is not absorbed by the surface of land and collects, flows downward and eventually reaches a body of water or a sewer.
Runoff
What is the chemical symbol for Sulfur?
S
________ are used to produce a rough, skid-resistant texture on concrete surfaces.
Safety rollers
________ is the aggregate component in a mortar mixture.
Sand
________ aggregate is aggregate that has absorbed the maximum amount of moisture with no excess moisture on the outside.
Saturated surface dry (SSD)
________ is self-ignition caused by a chemical reaction and temperature buildup in combustible waste material.
Spontaneous combustion
________ welds have three variables that affect weld quality: clamping pressure, current level and hold time.
Spot
_________ transfer is used primarily on thick metal workpieces in flat and horizontal positions.
Spray
________ washers are split on one side and are helical in shape.
Spring lock
________ tools are used to measure and mark angles during the fabrication of building materials.
Squaring
Which of the following materials cannot be cut using an oxy-fuel process?
Stainless steel
________ is a manufacturing process that involves forming sheet metal between dies with pressure while cutting the part from the sheet metal with the edge of the die.
Stamping
When turning on an electrical panel for the first time after working on it, you should wear safety glasses and do what other safety precaution?
Stand to the side of the panel and look away
________ wind energy systems usually provide power to a single residence, structure or compound.
Stand-alone
A/An ________ is a weld joint formed when two parts are positioned at approximately 90o to each other in the form of a T.
T-joint
When the piston is at its highest point (greatest distance from the crankshaft) it is said to be at
TDC
If three light bulbs, all 75 Watts, are connected in parallel to 110 volts, which of the following is true?
Each light has the same resistance (ohms)
If three light bulbs, 60 Watt, 75 Watt, and 100 Watt are connected in series to 110 volts, which of the following is true?
Each light operates at the same amperage
________ are ear protection devices worn over the ears.
Earmuffs
________ bond alternates courses of headers and stretchers and is laid so that the joints between the stretchers are centered on the headers.
English
Which of the following is the best means of maintaining proper travel speed when driving down a hill with a tractor-loader?
Use a lower gear and take advantage of engine braking
When a hydraulic leak is suspected to originate from an implement hose, which of the following is the correct procedure to locate the leak?
Use a piece of cardboard to locate the origin of the leak
When a pesticide container is triple rinsed, what rinse liquid should be used?
Use the liquid listed on the label as the diluents for the pesticide
What values are used to calculate the application rate of granular applications in pounds per acre?
Use travel speed in miles per hour, effective swath width in feet, and delivery rate in pounds to calculate application rate
Describe "bolts."
Used when removal of fasteners is required
Which of the following is an example of where a tractor roll over protective structure (ROPS) is NOT recommended?
When a tractor is operated in a building and under objects with low overhead clearance
Under what circumstances must a slow moving vehicle (SMV) sign be displayed on agricultural machinery?
When machinery is operated on public roads
When is it more economical to own agricultural equipment as opposed to leasing or renting that equipment?
When the equipment will have a high annual use and the required capital for purchase is available
During what operation are pesticide handlers most often exposed to concentrated pesticides?
While mixing or loading pesticides
The National Electric Code (NEC) requires that conductor insulation be color-coded. Which of the following conductor insulation colors indicates the grounded conductor?
White
When pulling or towing trailers with a tractors, what is the correct place to connect the load?
The tractor's drawbar
Which of the following statements describes effective swath width for a broadcast granular fertilizer spreader?
The width of a fertilizer application that achieves uniform deposition rates with appropriate overlap between adjacent passes
To safely jump start a disabled vehicle, where should the negative terminal of the booster battery be connected?
To a metal grounded component of the disabled vehicle
Why should the load-bearing pulleys and other drive members be mounted as close as possible to the crankshaft main bearing of small gasoline engines?
To decrease the radial load
What is the primary purpose of the spinner located below the feed chute on a granular fertilizer spreader?
To improve the uniform distribution of the granular fertilizer
Why do engine manufacturers recommend that fuel stabilizer by added to the fuel left in gasoline engines, such as lawnmowers and snowblowers, when the equipment will not be used from one season to the next?
To prevent the gasoline from breaking down
________ washers have hardened teeth along an edge that are bent and offset in opposite directions to bite or grip both the work surface and the bolt head or nut.
Tooth lock
What are the two most common locations where wet or spoiled grain is likely to be found in a loaded grain bin?
Top-center of the grain and next to the wall of the bin
How is a businesses' net worth calculated?
Total assets minus total liabilities
Which of the following standard motor enclosures is appropriate, both functionally and economically, for a electrically powered feed grinder used out of doors?
Totally enclosed motor enclosure
________ of metals is an important property because structural metals must be able to deform and give warning of impending failure.
Toughness
Which of the following is a benefit associated with using dual rear tires?
Tractor stability is improved
Which of the following agricultural machines has been involved in the greatest number of accidents?
Tractors
What electrical device is a necessary component of an electrical welding machine and is used to step up or step down the voltage and amperage as needed to perform welding operations?
Transformer
What is the name of the device used in electrical power transmission to step-up or step-down voltage?
Transformer
Which of the following characteristics is not important in determining the type of welding electrode to select?
Transformer/ rectifier
________ is the rate at which an electrode moves along a weld joint.
Travel speed
The theoretical field capacity of a machine such as a disk harrow or chisel plow is a function of what two factors?
Travel speed and working width
________ irrigation is an irrigation method of water distribution in which water is slowly applied through emitters placed along a water supply pipe near the soil surface.
Trickle
________ contacts are used in high-voltage applications because they have a high melting temperature and are less affected by arcing.
Tungsten
________ is the amount of air pressure above ambient air pressure produced by the turbocharger.
Turbo boost
________ is the process of using a compressor to increase the pressure and the density of the air entering an engine.
Turbocharging
To turn an overhead light on and off with wall switches from three different locations, the following number and types of light switches are necessary
Two 3-way switches and one 4-way switch
To turn an overhead light on and off with wall switches from four different locations, the following number and types of light switches are necessary.
Two 3-way switches and two 4-way switches
What type of switches must a four-way switch be used in combination with in order to independently control lights from three different locations?
Two three-way switches
Available in a powder form; mixed with water to form excellent bond for wood to wood application; has fair moisture resistance.
Urea resin
Types of plans most commonly referenced for project planning are plot plans, foundation plans and ________ plans.
all of the answers listed
What is/are the classification(s) of plumbing pipe and fitting materials?
all of the answers listed
What is/are the method(s) by which heat transfer occurs?
all of the answers listed
Which of the following are considered flood irrigation system(s)?
all of the answers listed
Which of the following are stem and screw configurations that are available for gate valves?
all of the answers listed
Which states in the U.S. commonly use irrigation districts to distribute and manage water resources for agricultural use?
all of the answers listed
The overload protection of a branch circuit is determined by the amount of _____ that the conductor will safely carry
amperage
Which of the following statements about arc length when welding is false?
an arc that is too long sounds like bacon frying
Since small engines burn a fuel mixture to generate the power to run the engine, the engine is
an internal combustion engine
A/An ________ is a meter that can measure two or more electrical properties and displays the measured properties along calibrated scales using a needle.
analog multimeter
A recommended safety tip for the use of a radial arm saw is to install ________on both sides of a blade for ripping operations.
anti-kickback fingers
A/An ________ bearing contains moving elements, which provide a low-friction support surface for rotating or sliding surfaces.
antifriction
A/An ________ is a symbol on a print or drawing at the front end of a dimensional line that indicates the extent of a dimension.
arrowhead
A/An ________ drawing shows as closely as possible the way individual parts or components are placed together to produce a finished piece of equipment or result.
assembly
A/An ________ is a flexible wire assembly containing multiple conductors with a protective outer sheath.
assembly
A/An ________ is a type of transformer that changes voltage level using the same common coil for both the primary and secondary sides.
autotransformer
All electrical connections in a residential wiring system must be contained in approved or boxes.
device/outlet
A/An ________ is a numerical value that gives the size, form or location of objects on a drawing.
dimension
A/An ________ line is a line that is used with dimensions to show size or location.
dimension
A semiconductor device that offers high oposition to current flow in one direction and low opposition to current flow in the opposite direction is known as a/an ________.
diode
A/An ________ motor is a motor that uses direct current connected to the field and armature to produce shaft rotation.
direct current (DC)
A/An ________ engine is an engine that has valves and related components located within the cylinder heads and above the combustion chambers and drives the valves in a more direct manner compared to OHV and L-head engines.
direct overhead valve (DOV)
A ________ switch is a switch that can change circuit connections by moving the switchblade into one of two operating positions.
double-throw
A ________ is a rotary tool used with a bit with cutting edges for boring holes in rigid materials.
drill
A/An ________ is a stationary power tool for drilling or modifying holes of various depths.
drill press
Which of the following items would not be considered an essential safety item in a welding shop?
duct tape
A staging nail is also referred to as a ________ nail.
duplex
The electrical wiring symbol at right represents a
duplex convenience outlet
What term is used to describe the continuous running time for which a welder was designed?
duty cycle
A/An ________ is a hand tool used to produce a finished radius along the edge of a concrete slab.
edger
A/An ________ is a condition that results when a body becomes part of an electrical circuit.
electrical shock
A/An ________ irrigation system is an irrigation system where water is delivered to a field in a ditch, pipe or other means and flows over the ground to crops.
flood
A/An ________ is a tool with a hardened edge used for scraping surfaces clean.
floor scraper
A/An ________ regulates the flow of shielding gas.
flowmeter
A/An ________ lamp is a low-pressure discharge lamp in which ionization of mercury vapor transforms ultraviolet energy generated by the discharge into light.
fluorescent
A shielded metal arc welding (SMAW) electrode contains ________, which forms a protective slag over the weld.
flux
The ________ determines the current and polarity best suited for an electrode.
flux composition
A ________ is a cast iron, aluminum or zinc disk that is mounted at one end of a crankshaft to provide inertia for an engine.
flywheel
Which of the following causes a knock in a gasoline engine?
fuel igniting too rapidly
Which of the following is a type of corner joint?
full open
Which of the following would not be a recommended cleaning solvent for small engines?
gasoline
A ________ is a synchronous mechanical drive system that uses the meshing of two or more gears to transfer motion from one shaft to another.
gear drive
A ________ is a magnetic power source that produces electricity when a rotating conductor cuts magnetic lines of force.
generator
A/An ________ is an elecromechanical device that converts mechanical energy into electrical energy by means of electromagnetic induction.
generator
A/An ________ welding machine is a welding machine that produces DC current only.
generator
A/An ________ system is a system that uses the temperature of the ground or water from a lake or ocean to produce temperature changes that can be used for heating or cooling applications.
geothermal heat pump
A/An ________ is a wooden horizontal stiffener placed around the perimeter of a post-frame structure to support the wall covering.
girt
A ________ valve is a valve used to control fluid flow by means of a pliable, circular disk that is compressed against a valve seat surrounding the opening through which water flows.
globe
An explosionproof lamp would be best installed in a/an ________.
grain storage silo
A/An ________ fence is an electric or nonelectric fence used in agricultural locations to contain livestock within a defined area.
livestock control
Which of the following would cause the brightest arc when welding?
long arc length
A/An ________ is a material consisting of one or more chemical elements having a crystalline structure, high thermal and electrical conductivity, the ability to be deformed when heated and high reflectivity.
metal
A/An ________ flame is a flame in which there is an excess of oxygen.
oxidizing
If the ________ mixture consists of a slight excess of acetylene, the flame is carburizing, or reducing.
oxyacetylene
Rubber, glass, plastic materials, ceramic, air and ________ are considered insulators.
paper
The best known oilborne preservative is ________.
pentachlorophenol (PCP)
A/An ________ drawing is a three-dimensional drawing that resembles a picture.
pictorial
A ________ is a two-dimensional space on paper where the flattened image of a three-dimensional object is depicted.
pictorial drawing
A/An ________ footing is a foundation footing for a pier or column.
pier
The three most common types of foundations used with agricultural structures are continuous concrete, treated post and _________.
pier and beam
Another name for a jumper grounding conductor is a:
pigtail
A/An ________ is a cylindrical, nonthreaded fastener that is placed into a hole to secure the position of two or more parts.
pin
A/An ________ is a map drawn to scale that shows the division of land, shows the distance and bearing between property corners and provides a legal description of the property.
plat of survey
A/An ________ plan is a type of drawing that shows the property lines of a building lot, the elevation, the compass directions, the lengths of property lines and locations of structures.
plot
A/An ________ is used with a builder's level when the instrument must be set up over a specific point.
plumb bob
A(n) __________ governor system is a system, which uses force from moving air produced by rotating flywheel fins to sense engine speed.
pneumatic
A/An ________ system is a fluid power system that transmits energy using a gas (typically compressed air).
pneumatic
A/An ________ is the starting point for a survey that must be directly located by both distance and direction to a point established in the original section survey or recorded plat of subdivision.
point of beginning (POB)
With pole-frame structures, the walls and roof are supported by the ________.
poles
A/An ________ resin is a synthetic binder resin commonly used in heat-cured coating systems.
polyester
Typical thermosetting plastics include ________.
polyester
Typical types of thermoplastics include ________.
polyfluorides
A/An ________ is a smoothing tool that removes excess wood and smooths the surface of wood using a straight or spiral cutter.
portable power plane
A/an ________ is a collection of items that reflect the knowledge, skills and accomplishments of an individual.
portfolio
A/An ________ tool is a tool that drives fasteners by means of an explosive charge.
powder-actuated
A/An ________ stroke is the stroke of an internal combustion engine in which heat energy produced by an explosive charge is converted to mechanical energy.
power
A/An ________ is a corded or cordless tool used for rapid and efficient driving or removal of screws.
power screwdriver
A/An ________ is a piece of concrete finishing equipment in which a series of blades are rotated by an internal combustion engine.
power trowel
The ________ systems pathway relates to the operation and maintenance of components, structures and equipment used by the agriculture industry.
power, structural and technical (PST)
A/An ________ is a building that is assembled and constructed in components, modules or transportable sections.
prefabricated building
A ________ is an initial coating applied to a surface to seal it before applying subsequent coats of another finish material.
primer
A/An ________ is a reproduction of original drawings created by an architect or engineer.
Sets of ________ can include plot plans (site plans), floor plans, elevations, sectional views, wiring diagrams, details and schedules.
prints
A/An ________ tool is a hand tool designed to pull apart materials that have been fastened together.
prying
A ________ valve is a safety device that is activated to open when pressure or temperature in a closed plumbing system exceeds safe operating limits.
relief
Before removing a gas-powered lawn mower blade, it is most important to do which of the following?
remove the spark plug
When servicing the small engine, the first step to insure personal safety is to:
remove the spark plug wire
A ________ stores hydraulic fluid that is not in use in the system.
reservoir
A ________ is a two-dimensional visual representation of an object at a chosen angle and distance.
sketch
In the Shielded Metal Arc Welding process, impurities are floated out of the molten puddle to form a deposit known as ______ that protects the weld as it cools.
slag
A ________ has an adjustable blade used to transfer or test specified angles.
sliding T-bevel
When performing SMAW operations, to increaes the size of the weld puddle, the electrode must be moved ________.
slower
A/An ________ is a cone made of galvanized metal that is 8" in diameter at the bottom, 4" in diameter at the top, 12" high, and used to perform slump tests.
slump cone
A/An ________ system is a renewable energy system that collects and stores energy from the sun and is used to heat air and water in a building structure.
solar energy
A/An ________ is a liquid used to dissolve other materials.
solvent
In most agricultural power systems, ________ energy is mainly used for troubleshooting purposes.
sound
A/An ________ tool is often used to consolidate the concrete in small and low forms.
spading
A/An ________ is a component that fits into the cylinder head in an internal combustion engine, isolates the electricity induced in the secondary windings and directs a high-voltage charge to the spark gap at the tip of the ________.
spark plug
A/An ________ is a tool used for igniting a welding torch.
sparklighter or striker
A/An ________ is a pneumatic tool in which compressed air is used to force surface coatings through a nozzle in a fine mist.
spray gun
A/An ________ footing is a concrete form used to distribute the load of a column or wall to the subgrade.
spread
A/An ________ is a pigmented wood finish used to seal wood while allowing the wood grain to be exposed.
stain
A tripod set on soft or marshy soil may require a base of three ________ driven into the ground.
stakes
A ________ is the stationary part of an AC motor that produces a rotating magnetic field.
stator
A/An ________ energy resource is any resource that is considered renewable, such as wind or water.
sustainable
The ________ of a builder's level rotates on top of the circular base.
telescope
A ________ is a sealed water-filled tube with a porous tip on the bottom and a vacuum gauge mounted on top to measure the suction necessary to remove moisture from the soil at the depth of the porous tip.
tensiometer
A/An ________ is a test device used to measure the pressure within waste and vent, water, gas, air or other piping systems to ensure the system is maintaining the proper pressure.
test gauge assembly
A/An ________ is a device that detects the amount of current flowing in a motor circuit by sending the heat generated by the current flow.
thermal overload
A ________ operates by producing an analog voltage that is typically used to provide a measurement of temperature.
thermocouple
A/An ________ is a type of plastic that softens when heat is applied and re-forms into a solid when cooled.
thermoplastic
A/An ________ is a liquid coating applied to a threaded fastener to prevent the loosening of assembled parts from vibration, shock and/or chemical leakage.
thread lock coating
A/An ________ is a one-piece fastener with a drive pin on one end and threads at the other.
threaded stud
Leveling rods used in surveying have _____ type(s) of graduations.
three
Mobile hydraulic equipment should be inspected every _____ months if manufacturer's recommendations are not available.
three
When welding lap joints, an overlap greater than _____ times the thickness of the thinner part is recommended.
three
A/An ________ motor is a motor that operates on three-phase electricity.
three-phase (3f)
A four-way switch is used with two ______ switches where lights are to be controlled from three different locations.
three-way
The combine is a combination of the reaper and a ________.
threshing device
The size of a band saw is measured by its ________ (the clearance between the column and the saw blade), which in turn determines the size of the workpiece the machine can handle.
throat width
A _________ plate is a round disk that pivots on a shaft, regulating air and fuel flow inside a carburetor
throttle
A ________ is the measurement of an internal combustion engine crankshaft of the distance from the centerline of the crankshaft to the centerline of the connecting rod journal (offset).
throw
A/An ________ is a closed contact position for a pole.
throw
A/An ________ belt is a flat belt containing gear teeth.
timing
Which of the following is a variable cost associated with owning small grain machinery?
tires
A/An ________ block is an area on a working drawing or print used to provide information about the drawing or print.
title
A ________ test is a destructive test in which a specimen is broken by a single blow and the energy absorbed in breaking it is measured in foot-pounds (ft-lb).
toughness
In wind energy systems, ________ provide space and support to allow the generated power to be brought down to ground level.
towers
A/An _______ welding machine connects to an electrical power source and uses a transformer to lower voltage while increasing the current to appropriate levels for welding.
transformer
A/An ________ changes voltage level by stepping up or stepping down the voltage.
transformer
A/An ________ is a flat triangular-shaped trowel used by bricklayers for picking up mortar and spreading it on a wall.
trowel
________ force compaction is soil compaction using a machine that delivers a rapid succession of blows to the soil.
Impact
What is the chemical symbol for Potassium?
K
________ is a survey system that measures and identifies land by describing property boundaries with distances and directions referencing natural and man-made physical features as boundary markers.
Metes and bounds
________ is a bonding mixture of fine aggregate, cement and water that is used to fill voids between masonry units and reinforce a structure.
Mortar
Which of the following is the correct definition of pesticide spray drift?
Movement of a pesticide through air at the time of application to any site other than the intended target site
What is the chemical symbol for Nitrogen?
N
________ welding can be used to join iron, steel, cast iron, copper, brass, aluminum, bronze and other metals.
Oxyacetylene
________ welding is a welding process that uses acetylene as the fuel gas.
Oxyacetylene
On ________ equipment, the green hose is connected to the check valve mounted on the needle valve fitting marked OX.
Oxyacetylene welding (OAW)
What technique will reduce the condensation (very slight build up of water) in the fuel tank of a tractor?
Refuel at end of day
________ vents are located beneath a roof cornice and may consist of a series of small openings or one continuous slot.
Soffit
When estimating volumetric coating requirement, a minimum of _____% is typically added to the final estimate to account for paint residue.
10
GFCI protection is required for all _________ ampere, 125 volt single-phase receptacles installed on roofs.
15 and 20
Federal law was implemented in _____ to eliminate the use of lead-based coatings.
1972
12/16 = x/4 (solve for x)
3/4
3/4 x 1/2 =
3/8
With gasoline engines, approximately _____% of energy released from the gasoline is converted into work.
30
Most valves in small engines are ground to:
30 degrees or 45 degrees
A set of plans is drawn at a scale of 1/4" = 1'-0". The South wall is drawn 7 1/2" long. What is the length of the South wall?
30'
The maximum developed length of rigid plastic drainage, waste and vent piping, including ABS and PVC DWV pipe, is _____'.
35
A project requires 32 BF of 1" cherry and 18 BF of 1" oak. What percentage of the total wood required is oak?
36%
The laser beam of a rotating laser level moves _____o in a continuous, level motion.
360
The average coverage of one can of aerosol spray paint is typically about _____ sq ft.
40
A hog finishing building is required to have one electrical outlet for each pair of pens for every 150 square feet of floor area. If the building is 30 feet wide and 200 feet long, what would be the minimum number of convenience outlets that must be installed?
40 electrical outlets
An agricultural mechanic measured the height of a wall to be 96" tall. What is the height of the wall in feet?
8'
9 yd, 15'-65"" x 6 = "
94 yd, 2'-6"
Steel tubing weighs 1.45 pounds per linear foot and costs $129.88 for a 20-foot length. Steel rod weighs 2.74 pounds per linear foot and cost $178.75 for a 20-foot length. If 98 pounds of each type of steel is purchased, which of the following statements is correct?
98 pounds of steel tubing will provide more linear feet of length than 98 pounds of steel rod
As an export commodity, how is corn normally classified?
A feed grain
Liquid penetrant tests cannot be performed on materials with excessively ________ surfaces.
porous
A/An ________ generator is a generator that can easily be moved from one location to another without the use of special equipment.
portable
Which of the following is the best power hand tool and the best position for cutting a strip 14 inches wide by 8 feet long from a 4-foot-by-8-foot sheet of 3/4-inch A/C plywood?
portable circular saw, C side up
A/An ________ block identifies the changes that have been marked on the drawing since its initial approval.
revision
In what units are electric motor speeds measured?
revolutions per minute
With heated-tool welding, a/an ________ typically controls the heat output of the heating element.
rheostat
A/An ________ check valve is a check valve in which backflow is prevented through the use of a hinged disk within the valve body.
swing
The two main types of AC generators used in wind turbines are asynchronous generators and ________ generators.
synchronous
A/An ________ saw is a stationary power saw with a circular blade mounted on an arbor below the table.
table
A ________ switch controls a fixture from two different locations and must always be used in pairs.
three-way
A ________ is reinforcement embedded in mortar joints and used to secure two or more members together.
tie
A/An ________ grinder is used to dress the ends of a saw band before welding and to grind off the excess metal after the weld.
weld
A/An ________ joint is the physical configuration at the juncture of the parts to be welded.
weld
A ________ is a weld that results from a weld pass.
weld bead
A/An ________ is a device used for measuring the size and shape of a weld.
weld gauge
Amperage (current) setting depends upon electrode type, size, position, and metal thickness and should be adjusted .
when no welding is being done
The NEC requires that conductor insulation be color-coded. Which of the following conductor insulation colors indicates the grounded conductor?
white
A/An ________ is a machine that converts the kinetic energy of wind into rotating mechanical energy.
wind turbine
A/An ________ is a central electronic control device in a wind turbine that receives signals based on operating conditions.
wind turbine controller
A ________ is a drive system device that provides a smooth engagement of a mechanical drive at a specified engine rpm.
centrifugal clutch
A ________ is a device with adjustable jaws used to hold a cutting bit or drill bit on a lathe.
chuck
Three- and four-jaw ________ are made to fit screw-on, key-drive and cam-lock type spindles.
chucks
A/An ________ is a handheld or table-mounted power saw with teeth around the circumference of a circular blade that is rotated at high speed on a central axis or shaft.
circular saw
The decrease in value of an asset over time, such as a dairy milking parlor, is called
depreciation
A/An ________ is an element within a structure that encloses a conditioned space.
exterior envelope
A/An ________ is a method that provides exterior building protection through the application of exterior sheathing, insulation board, reinforcing mesh, a base coat of acrylic polymers and portland cement and a finish of acrylic resins.
exterior insulation and finish system (EIFS)
Which of the following components physically engages the flywheel to the drive train?
clutch
A/An ________ is a surface covering consisting of a pigment suspended in a vehicle of oil, solvent, water or powder and used for decorative and/or protective purposes.
coating
A/An ________ is a type of heat exchanger that adds heat to low-pressure refrigerant liquid.
evaporator
A ________ is a diesel engine component that functions as an ON/OFF valve to introduce fuel into the cylinder.
fuel injector
An internal combustion engine uses the process of rapid combustion to operate. The combustion process requires what three things?
fuel-oxygen-heat
A ________ is a device that converts mechanical energy into electrical energy by means of electromagnetic induction.
generator
A/An _________ is a hand tool used to finish the mortar joint between the masonry units.
jointer
The basic shapes of ________ include parallel, taper and Woodruff.
keys
A/An ________ is a rubberized plastic or leather pad strapped to the knees for protection.
knee pad
A/An ________ joint is a weld joint between two overlapping parts in parallel planes.
lap
A/An ________ is the temperature at which a solid changes to a liquid.
melting point
A/An ________ is an electrical charge produced when there are more electrons than normal.
negative charge
Water in a welding area is useful for
All of the answers listed
When a job is offered, the applicant may _________.
All of the answers listed
When arc welding, injury to the eyes can result from
All of the answers listed
Which of the following are (a) type(s) of destructive tests that can be performed on welds?
All of the answers listed
What commonly causes lodging in wheat?
Excessive seeding
________ joints are used in slabs that cover large areas and where a great amount of expansion and contraction is expected.
Expansion
________ position welding allows for the greatest control of the welding process.
Flat
________ is the construction of concrete slabs, walkways and other flat, horizontal concrete surfaces.
Flatwork
________ bond alternates headers and stretchers in each course.
Flemish
________ is a finishing procedure that levels ridges left by screeding and fills small hollows in the surface of concrete.
Floating
Which of the following will reduce the total operating cost per hour for a skid-steer loader?
Increase the annual hours of operation
________ is the process of truing the edges of boards before they are fitted (joined).
Jointing
What occurs when water infiltrates the soil and removes nutrients?
Leaching
A/An ________ is a vertical structure used as a partition to enclose or divide areas.
wall
The monthly charge to operate a pivot irrigation system is 8 cents per kiloWatt hour (KWH) for the first 1000 hours and 7.75 cents for each hour greater than 1000 hours. If the irrigation system uses 1785 KWHs of electricity during a single month, what is the monthly cost, in dollars, to operate the irrigation system? Note: 1 kiloWatt = 1000 Watts
$140.84
A typical PV cell produces about _____ V of electricity.
0.5
10' wide driveway sloped to one side at 1/8"" per foot."
1 1/4"
Round column measuring 18"" in diameter by 20' high."
1.31 cu yd
For most welding in agricultural mechanics the best electrode size is
1/8 inch
What is the proper range of tire slippage for a farm tractor?
10 to 15 percent
If each outlet on an electrical circuit uses approximately 1.5 amperes, how many outlets may be safely installed on a circuit sized to carry a maximum of 20 amperes?
13 electrical outlets
1'-2" + 3'-6" + 10'-3" =
14'-11"
What is the approximate density, in pounds per cubic foot, of a large round bale of hay that is 72 inches in diameter, 62 inches long, and weighs 2,200 pounds? Note: Density = Weight/Volume, Volume of a Cylinder - [(π) x (Diameter)² x (Length)]
15 lb/ft³
A trench that is 24' long, 5' wide and 4' deep needs to be filled with dirt. What is the total volume (in cubic yards) of dirt needed to fill the trench?
17.76 cu yd
Circular slab with a 15' diameter."
176.7 sq ft
Kitchen countertop receptacles can be located at a maximum inches above the countertop.
18
Volume of cylinder = π × (cylinder radius)2 × cylinder height π = 3.14 diameter = (2 × radius)"
18.2-inch diameter
Gas cylinders in storage must be separated from combustible materials by a minimum distance of _____".
20
In a standard 120/240-volt service entrance panel, what should the voltage measure between the two hot supply lugs?
240-volts
When placing a tripod in the desired position, extend the legs and spread them about _____' apart.
3
Generally, what is an acceptable crop harvesting loss for small grain?
3 to 5 percent
Circular slab with a 20'-6"" diameter."
330.1 sq ft
What percent moisture content is alfalfa baled at when making large round bale silage?
40-60%
What is the operating resistance (ohms) of a 120-volt electrical heat lamp that requires 3 amps to operate? Voltage = Amperage x Resistance
40.00 ohms
10/16 = x/88 (solve for x)
5/8
The NEC requires that wall receptacles must be spaced so that no point on a wall is more than feet from a receptacle.
6
Which of the following would be considered a liability in farm accounting?
A bill that you owe at the farm supply store
What gas has a strong odor and is commonly emitted from livestock operations?
Ammonia
On a basic constant current arc welding machine, what does the primary/main adjustment control?
Amperage
The load-carrying capacity of a conductor is measured in what unit of electrical measurement?
Amperes
The separation or failure of the power takeoff drive shaft is commonly caused by what operator mistake?
An improper hitching position
________ masonry is commonly laid with 1/2" mortar joints.
Below-grade
________ are common because they are relatively inexpensive, quiet and easy to maintain and provide a wide range of speed and power.
Belt drives
________ is an excavation method that uses a series of steps carved into the earth walls around the excavation site to prevent collapse.
Benching
The intake valve of a 4-stroke single-cylinder small engine is opened and closed by the action of what component?
Camshaft
What is the name of the automatic plumbing valve that allows fluid to flow in only one direction, but prevents the fluid from draining back when the line is not pressurized?
Check valves
Which of the following types of farm business organization requires the issuance of stocks?
Corporation
The theoretical field capacity of agricultural machinery is a function of what two primary factors?
Effective swath width and travel speed of the machinery
What colors are appropriate for the oxygen hose on oxyacetylene cutting and welding equipment?
Either a black hose or a green hose are approved colors
How will a 15 mile per hour wind, blowing perpendicular to the direction of travel, effect the distribution of a liquid fertilizer being applied by a spray boom positioned 30 inches above the ground?
Increases off target fertilizer movement
A spinner is an important component on many granular pesticide applicators. Which of the following statements is correct with regard to how the spinner's rotating speed effects granular fertilizer distribution?
Increasing spinner speed (revolutions per minute) increases the distance that granular fertilizer is thrown
A/An ________ gas is a gas that will not readily combine with other elements.
Inert
When metal is cut, what is the name of the opening or space that is produced by the cutting process?
Kerf
Hardness"
M
________ is the ease or difficulty with which a material can be machined and is determined by its mechanical, physical and chemical properties.
Machinability
________ screws screw into threaded holes in metal and have greater holding power than other types of screws that fasten to metal.
Machine
Describe "screw."
Made primarily of soft steel
________ is commonly used as an alloy with aluminum in castings requiring high strength with minimum weight.
Magnesium
________ is a soil test method that uses a standard-size pan to measure the water evaporation rate and is correlated to the evapotranspiration rate of crops by use of crop coefficients.
Pan evaporation
________ is an analog multimeter measurement error caused by an improper viewing angle of the pointer slightly above a scale.
Parallax error
________ is rigid-foam insulation that is composed of expanded volcanic minerals combined with organic fibers and binders.
Perlite
________ is a cutting process that uses a constricted arc and high-pressure gas to form a high-velocity jet of plasma (ionized gas) for cutting.
Plasma arc cutting (PAC)
________ welding is often used to join parts in the fabrication of plastic products for agricultural applications, such as storage tanks, boxes and other containers.
Plastic
________ is the degree of smoothness and workability of a mixture.
Plasticity
________ is a process regulated by state statute to record the division of land.
Platting
The _____ value is a numerical value that represents the ability of a material to resist heat flow.
R
The successful production of no-till wheat requires the proper management of a different set of inputs than for other crops because wheat must survive the winter while maintaining vigor and fighting disease organisms. What are the key factors for the successful production of no-till wheat?
Residue management
________ types commonly used for agricultural structures are shed, gable, monitor, gambrel, gothic, half monitor, offset gable and hip.
Roof
________ is an expression of roof inclination stated as a ratio of the vertical rise to the horizontal run of 12", such as 3:12, 4:12, 6:12, etc.
Roof slope
________ reinforcement is reinforcement on the back side of the base metal, opposite the face reinforcement.
Root
What are the two main types of threshing systems found on combine harvesters?
Rotary and conventional
In four-stroke small gasoline engines, how fast does the camshaft turn with respect to the speed of the crankshaft?
The camshaft turns at one-half the speed of the crankshaft
Plywood is commonly stamped with an identification index (a pair of numbers separated by a forward slash). Which of the following statements is true for a plywood sheet with a 48/24 stamp?
The plywood can carry the basic floor load over a maximum support spacing of 24 inches
Which of the following statements about the American Wire Gauge (AWG) conductor rating system is true?
The smaller the AWG number the larger the diameter of the conductor
Which of the following statements about the American Wire Gauge (AWG) conductor rating system is true?
The smaller the AWG number, the larger the wire
The inventor of the iron plow was ________.
Thomas Jefferson
________ power is power from a voltage source that contains three alternating voltage waveforms.
Three-phase
What is the name of the disk that pivots on a shaft, regulating air and fuel flow to the carburetor?
Throttle plate
What is the most common route of exposure by which pesticide enters the body of a pesticide handler?
Through dermal exposure
________ management involves the effective use of one's own time as well as planning for the efficient use of time for others.
Time
What are the two most important components of a small grain production system?
Timely planting and disease control
When installing electrical cable in a wet location, which of these type cables is permitted for this type installation?
Type UF
What type of irrigation pump is designed to pump water from deep wells?
Vertical turbine pump
Which of the following characteristics of liquid manure increases as the percentage of solids increase?
Viscosity
________ is the measure of the resistance of a fluid to flow.
Viscosity
________ is a distortion that occurs during the evaporation of water from wood cells.
Warpage
What are two sources of water that increase the amount of liquid manure that must be dealt with at a livestock facility?
Wash water and rain water runoff
________ is a concrete surface defect where the concrete appears as a wavy surface.
Washboarding
Liquid manure can be converted into solid waste by reducing which of the following?
Water
Increases concrete strength and workability and reduces cement content and hydration heat.
Water reducer
The spark plug gap of a plug that has been used should be gapped with
a wire feeler gauge
Characteristics of ________ drives include tension, creep and slip.
belt
Typical agricultural applications for ________ include structural foundations, flooring slabs, retaining walls, livestock housing and roadway paving.
concrete and masonry
A/An ________ is a precast hollow or solid block made of portland cement and fine aggregate, with or without admixtures or pigments.
concrete masonry unit (CMU)
A/an ________ is a detailing tool consisting of a molded pattern that provides a finished texture to concrete.
concrete stamp
A ________ blade makes it possible to cut refractory materials such as glass, tile, porcelain, ceramic, granite, china, marble and silicon carbide.
diamond-tooth
A/An _________ backwater valve is a backwater valve that acts as a check valve and has a hinged flap or disk that swings open to permit drain flow in the desired direction.
flapper-type
Why is a long arc held at the beginning of a bead?
it allows the molten puddle to develop quickly
A/An ________ level is a leveling device that projects a concentrated beam of light horizontally or vertically from a source, and the beam of light is then used as a reference for leveling or verifying horizontal or vertical alignment.
laser
A ________ is a handheld measuring device that uses a standard laser beam that reflects off of its target and provides a distance measurement.
laser measuring meter
A/An ________ coating is made of a dispersion of fine particles of synthetic resin and pigment in water, is quick-drying and is thinned with water.
latex
A/An ________ is a stationary power tool that rotates a piece of wood or metal to allow shaping of the piece with sharpened or blunt tools.
lathe
The ________ is a law that states energy can neither be created nor destroyed.
law of conservation of energy
Work is measured in ________ in the metric system.
newton-meters (Nm)
A rivet ________ is the cylindrical body of a rivet.
shank
Compression ratio is
the relationship between the volume of the cylinder plus combustion chamber at the beginning of the compression stroke and the end of the compression stroke
Cylinder wear is greatest at:
the top of the ring travel
The continuous load supplied by a circuit should not exceed 80% of the branch circuit rating. After how may hours of continuous operation is a load considered to be a continuous load?
three hours
A/An ________ circuit breaker is an electrical safety device with a bimetallic strip that warps when overheated.
thermal
A/An ________ is a thin, small nail made of wire with uniform thickness throughout and a small head.
wire brad
Information: 1 kilowatt = 1000 Watts 100 cents = $1.00 1 hour = 60 minutes"
$233
5 mils = _____"""
0.005
3/5 of 15 =
9
13 mils = _____"""
0.013
16 mils = _____"""
0.016
5/8 + 2 =
2 5/8
What is the definition of depreciation?
The loss in value of an item due to time and use
________ are often used to consolidate concrete for slabs covering large areas.
Immersion vibrators
Frost lines are typically _____' or more underground.
2
15' wide driveway sloped to one side at 1/4"" per foot."
3 3/4"
30' wide driveway sloped to one side at 1/8"" per foot."
3 3/4"
12 3/4 + 5 1/8 + 16 1/2 =
34 3/8
An 8" drill press is designed to drill a hole in the center of a circle that is _____" in diameter.
8
__________ is the point at which the piston is farthest from the cylinder head.
BDC
Describe "deformed shanks."
Barbs, spirals and rings
Which of the following statements is correct with regard to the brazing process?
Brazing is used to join metals with tightly fitting joints
Chemical inhomogeneity"
C
What type of current is produced by a transformer rectifier?
DC
________ floating prepares a freshly poured concrete surface for troweling.
Darby
________ welding uses a specially-designed gun containing an electric heating unit for the filler material.
High-speed
What commonly causes death when someone is trapped in flowing grain?
Suffocation
________ is the formation of film on a contact surface.
Sulfidation
A/An ________ is a substance other than water, aggregate or portland cement added to modify the properties of concrete.
admixture
A vital career option in the PST career pathway is ________.
agricultural mechanics
Provides high initial slump without lowering concrete strength, increasing waiting time for finishing or segregating the concrete mixture.
Superplasticizer
A commonly used slab-on-grade foundation design is a floor slab constructed independently of a ________ foundation.
all of the answers listed
An advantage of water-based coatings is ________.
all of the answers listed
Burning clothes on a human should be extinguished with
a fire blanket
Which of the following nail types should provide the greatest withdrawal resistance?
Spiral shank nail
The fourth digit in the electrode number designates the ______________.
Special Characteristics of the electrode
Describe "staples."
Used for lighter applications
A ________ is used on a mechanical device to change rotary motion into linear motion.
cam
Finishing procedures include ________.
none of the answers listed
Modern construction often requires installation of vapor barriers with perm rating of _____ or less.
0.5
Using basic workpiece calculations: A 10"diameter saw blade has 60 teeth. How far apart are the teeth on the circumference of the blade?
0.523"
A Kinze grain cart unloads 500 bushels/minute. Approximately how long would it take for a man (7.5ft3) to be completely pulled into the grain tank? (Assume 1 bushel = 1.25 ft3)
0.72 sec
Wattage of Induction Load = Voltage x Amperage x Power Factor"
0.92 power factor
The smallest size copper conductor that should be used for a 30 amp circuit is
10 AWG
How many acres are in a rectangular field measuring 1200 feet by 363 feet? Note: 1 acre = 43,560 square feet
10 acres
Which of the following measurements is appropriate for fresh concrete in which a slump test is performed to determine the stiffness of concrete prior to placing and finishing?
2 to 4 inches of slump
8 yd, 4'-16"" ÷ 4 = "
2 yd, 1'-4"
4 yd, 3'-26"" ÷ 2 = "
2 yd, 2'-7"
According to the NEC, the maximum allowable voltage drop for branch and feeder circuits for electrical motors is
2%
3/4 of 3' =
2'-3"
If liquid manure is evenly distributed three inches deep over 15,670 square feet of area, how many cubic feet of liquid manure was applied? Note: 1 cubic foot = (12 inches x 12 inches x 12 inches)
3,917.5 ft³
A steel I-beam that is to be installed in a pole barn weighs 1500 lb. What is the I-beam's weight in kilograms?
681 kg
In a hyraulic system, if 23,475 lb of force is produced by a piston having an area of 34 sq. in., the pressure of the fluid is _____ psi.
690.44
Depending on the geographic latitude, the temperature of the ground remains relatively constant at a distance of _____' to _____' below grade level.
6; 8
Two boards have lengths of 3 yd, 2'-3" and 2 yd, 5'-8". What is the total length of the two boards?
7 yd, 1'-11"
The seeding tool uses two 2-inch hydraulic rams to raise and lower its frame. If each ram receives a maximum pressure of 2,500 pounds per square inch, what is the greatest approximate force that each lift cylinder can produce? Note: Force = (Pressure) x (Area of Piston), Area of Circle = (π) x (diameter)2 ÷ 4, π= 3.14
7,900 pounds
What are probable results if the welding current is too high or the arc length is too great?
A wide, splattered, irregular weld
How are wood screws sized?
According to length and diameter
Which method of accounting reports income and expenses for the time period in which they occur?
Accrual method
________ cylinders are packed with a porous material that is saturated with acetone to ensure safe storage and transport.
Acetylene
________ pipe is black plastic pipe used for sanitary drainage and vent piping or aboveground and underground stormwater drainage.
Acrylonitrile-butadiene-styrene (ABS)
________ is the joining of parts with an adhesive placed between mating surfaces.
Adhesive bonding
Describe "contact cement."
Adhesive for plastic laminates
In performing general maintenance on a small gasoline engine, how often should the cooling fins typically be cleaned?
After ever 100 hours of engine operation
What is the chemical symbol for Silver?
Ag
________ is a condition that occurs when aggregate settles because the mixture is too thin to support it.
Aggregate segregation
The ________ effectively prepares students for the work environment by challenging them to apply their knowledge and skills to a range of interrelated technologies within five systems.
Agricultural Mechanics CDE
________ typically perform most of the welding and metalworking required on a farm.
Agricultural mechanics
________ are written for and by members of the agricultural industry and provide valuable information about the industry.
Agricultural publications
________ cable is an assembly of insulated conductors with a covering consisting of a helically wound metal strip with interlocking edges.
Armored
What is the recommended technique to dispose of leftover or extra pesticide mixture?
Apply it to a target site according to the pesticide label directions
What is the term used to describe a construction member placed between posts and girders in post frame buildings to strengthen and add rigidity to a building?
Brace
________ electricity is electricity created by the flow of electrons through an electrical circuit.
Dynamic
What is the name of the device used to measure tractor PTO (power take-off) horsepower?
Dynamometer
When the piston of the four stroke small engine reaches the bottom of the cylinder on the intake stroke, it starts upward on what stroke?
Compression
________ is strength under compressive forces which squeeze a material.
Compressive strength
________ is the conversion of a substance from a vapor to a liquid state by the removal of heat.
Condensation
________ is the movement of heat through a solid or liquid.
Conduction
________ is the transfer of thermal or electrical energy from one member to another through direct contact.
Conduction
Which of the following safety practices has proven to reduce fire hazards around grain elevators?
Eliminate accumulations of dust and crop residue materials
Ductility is the ability of a metal to do what before it breaks?
Elongate
Ductility is the ability of metal to do what before it breaks?
Elongate
________ is the capacity to do work.
Energy
According to the U.S. ________, the demand for energy can be categorized into transportation, industrial, residential/commercial and electrical power.
Energy Information Administration
What characteristic is the most useful for evaluating a fan used to dry grain while stored in a bin?
Cubic feet per minute per bushel (cfm/bu)
________ are specifically used to manually remove power from or apply power to a circuit.
Disconnect switches
________ is a manufacturing process in which a workpiece is deformed into the desired shape with high compressive forces, usually between two dies.
Forging
________ plans are used to provide excavating, construction, drainage, waterproofing and other design information for building the foundation.
Foundation
_______ energy is an energy source that is derived from underground sources of water that are heated to high temperatures.
Geothermal
________ transfer is the transfer of molten metal in large droplets from the electrode across an arc to the base metal.
Globular
Which of the following would be considered a shear point safety hazard?
Grain augers
________ is the time the electrodes remain in place to assist the bonding of the weld after electricity is no longer passing from one electrode to another.
Hold time
________ is commonly used to rate and rank the power produced by an internal combustion engine based on a finite engine speed.
Horsepower
________ is the artificial application of water to the land to provide adequate moisture for the growth of crops and vegetation.
Irrigation
A/An ________ is a public corporation created under the authority of a state government having power to obtain and distribute water for irrigation of lands within the district.
Irrigation district
When air moves through a deep grain mass, the air temperature is gradually lowered and relative humidity is increased until the air approaches equilibrium with the grain. If the air reaches equilibrium within the grain, what will occur when it passes through the remaining grain?
It will not increase grain drying
With an FCAW electrode, the letter _____ indicates that the electrode meets the minimum impact resistance requirements.
J
________ is the process of finishing a joint to make it waterproof and improve appearance.
Jointing, tooling or joint finishing
A/An ________ is the measure of the thermal conductivity of a material.
K factor (conductivity)
________ energy is energy of motion.
Kinetic
Which of the following is NOT a common load stress placed on wooden construction members?
Lamination
Which of the following is an example of real property?
Land
What type of business arrangement gives a farmer the right to use a tractor owned by a machinery dealership for a certain period of time in exchange for one or more payments?
Lease
________ is the process of determining the difference in elevation between points.
Leveling
A/An ________ is a state of matter that has a definite volume but not a definite shape.
Liquid
________ examination uses dyes suspended in high-fluidity liquids to penetrate solid materials through capillary action and indicate the presence of discontinuities.
Liquid penetrant
________ is the process of removing the source of electrical power and installing a lock that prevents the power from being turned on.
Lockout
What is a proven accident-prevention device or technique that is used with electrical equipment to notify other workers that repairs are in progress?
Lockout or tag-out device placed on power source
________ insulation is material manufactured as small granules or particles and is poured or blown into voids in floors, walls or roofs to reduce thermal or sound transmission.
Loose-fill
A diesel engine produces white-colored exhaust. What is the most likely cause?
Low engine temperature
Which of the following is NOT one of the basic enemies that attack hydraulic systems?
Low oil levels
Which of the following conditions are most likely to reduce the likelihood of off target movement by liquid chemical?
Low spray pressure, low temperature, low wind speed, and high humidity
Which of the following activities is conducted by the Environmental Protection Agency to protect people and the environment from pesticides?
Mandating certification and training programs for pesticide applicators
The operation of the bale accumulator and a bale ejector in bailing equipment help reduce what input during the harvest of hay?
Manual labor
Direct Current (DC) welders produce current that flows in only one direction in accordance with how the welder is set according to polarity. What is one way that the polarity can be changed on the welding machine?
Manually reverse the welding cables
_______ is any structure built using individual units, such as bricks or blocks, bonded with mortar.
Masonry
________ is a puttylike adhesive that maintains a degree of elasticity after setting.
Mastic
Which factors are used to calculate the material capacity of a machine?
Material weight and time
________ is used every day by agricultural mechanics to understand the relationships of numbers and how they can be used to establish patterns, create estimates, measure materials, calculate costs, calculate profitability, determine spatial relationships, predict probability and review financial data.
Math
________ energy is energy produced and transferred using gears, pulleys or belts.
Mechanical
________ energy is machine energy.
Mechanical
________ is the ratio of the output force to the input force of a device.
Mechanical advantage
________ saws are typically used for cutting trim members in finish work.
Miter
What does a humidistat measure?
Moisture in the air
To locate the moisture pockets in a grain bin where mold is present, what equipment should be used?
Mold detector
The ________ is the U.S. federal government department responsible for developing and executing U.S. government policy on farming, agriculture and food.
National FFA Organization (FFA)
The NEC® is published by the ________.
National Fire Protection Association (NFPA)
Founded in 1980, the ________ is available to students in agriculture, agribusiness and natural resources programs in over 500 collegiate institutions.
National Postsecondary Agricultural Students Organization (PAS)
The ________ is the official adult student organization for agricultural education as recognized by the U.S. Department of Education.
National Young Farmer Educational Association (NYFEA)
Which of the following pesticide spray equipment components directly controls the pressure developed at the sprayer nozzle and the quantity of spray delivered to the nozzles?
Pressure regulator
Which of the following statements is correct with respect to pressure treated lumber?
Pressure treated lumber does not hold nails as well as untreated lumber
Which of the following is an important factor in the movement of odor away from animal production sites?
Prevailing winds
Circuit breakers within the electrical panel may get weak or go bad. This condition is usually caused by what problem?
Repeatedly tripping the breaker
________, also known as polyvinyl chloride (PVC), is a waterproof, rustproof and decay resistant nonmetallic pipe used for protection of elecrical conductors.
Rigid nonmetallic conduit (RNMC)
A small utility vehicle is equipped with a carbureted gasoline engine. The carburetor utilizes a restricted air passage to enable the fuel and air to mix. What is the name of the restricted air passage?
Venturi
________ is the amount of electrical pressure in a circuit.
Voltage (E)
What terminology correctly identifies the reduction in voltage, caused by resistance, that occurs between the power supply and the load?
Voltage drop
What terminology correctly identifies the reduction in voltage, caused by the resistance that occurs between the power supply and the load?
Voltage drop
What are the values that an electrical multi-meter will normally measure?
Voltage, amperage, and ohms
What is the chemical symbol for Tungsten?
W
________ is material, such as metal, felt or neoprene, placed between adjoining members to seal the joint and prevent precipitation, moisture or draft from entering a structure.
Weather stripping
________ reinforcement is additional weld metal that is required to completely fill a joint.
Weld
________ can be push, pull, or push-pull, depending on the location of the drive rollers.
Wire feeders
________ is force applied through a parallel distance causing linear motion.
Work
________ gears are typically used to provide a large speed reduction in equipment with right angle gear boxes.
Worm
A single, continuous vertical masonry wall that is one unit thick.
Wythe
A/An ________ is a fence post that consists of a pair of connected members fixed in an angled position and used to support a fence.
X-post
A/An ________ is a steel rod threaded at one end used to secure structural members to concrete or masonry and formed in an L or J shape.
anchor bolt
Structural steel columns are typically fastened to concrete foundations and slabs with ________ during construction.
anchor bolts
A/An ________ is an instrument that measure wind speed.
anemometer
Specialized agricultural structures include ________ structures.
aquaculture
A/An ________ is a structure used to transport water above or below ground.
aqueduct
A/An ________ is a water-bearing stratum of permeable sand, gravel or rock.
aquifer
A/An ________ is a movable coil of wire in a DC motor that rotates through the magnetic field.
armature
Most agricultural surveying work is typically performed by a/an ________.
certified land surveyor
A ________ is a synchronous mechanical drive system that uses a chain to transfer power from one sprocket to another.
chain drive
In the ________ method of soil moisture testing, the initial soil moisture content is evaluated daily during planting season.
checkbook
A/An ________ test is a metal identification test that identifies metal by the shape of its chips.
chip
A/An ________ is a hand tool with a cutting blade attached to a handle that cuts material when the end of the handle is struck by a hammer.
chisel
A/An ________ is used to squeeze the hose, which attaches the regulator and torch, around the nipple to prevent it from working loose.
clamp
Most builder's levels have a horizontal ________ screw to hold the instrument in a fixed horizontal position.
clamp
A/An ________ is a fitting with a removable cap or plug installed in a sanitary drainage pipe to allow access to the pipe for removing stoppages and cleaning the interior of the pipe.
cleanout
Which of the following is recommended to be worn under the welding helmet for safety protection of the eyes when accomplishing other tasks besides welding?
clear safety glasses
A/An ________ nipple is a nipple that is threaded its entire length.
close
A ________ is any portion of a brick used to close up the bond next to the end brick of a course.
closure
When cutting metal with a lathe, band saw or drill press, a/an ________ can be used to regulate the temperature of the work.
coolant
Modern wood preservatives typically have high ________ content, which makes them more corrosive to metal connectors and fasteners than traditional wood preservatives.
copper
The best material for conducting electricity is because it is durable, has excellent conducting properties, and has proven to be relatively free from problems over time.
copper
Due to the high cost of silver and gold, most conductors used in agricultural applications are made from ________.
copper or copper-clad aluminum
A/An ________ is a valve through which water or gas flow is controlled by a circular core or plug that fits closely in a machined seat.
core cock or plug valve
A/An ________ post is a fence member fixed firmly in an upright position and used to support a fence at a corner or end.
corner
Common ________ joints are flush, half-open and full-open.
corner
A/An _______ is a device used to connect a mechanical drive to a prime mover.
coupling
A/An ________ is an engine component that houses and supports the crankshaft.
crankcase
A ________ is an engine component that converts linear (reciprocating) motion of a piston into rotary motion.
crankshaft
The __________ is an engine part that converts the up and down or linear motion of the piston to circular motion.
crankshaft
A ________ is a depression at the termination of a weld bead.
crater
Due to the rotation of the blade, radial arm saws have a tendency to "________" forward (away from the fence) when the power is on but material is not being cut.
crawl
The National Electric Code (NEC) classifies a confinement livestock facility as a ________ building for wiring purposes
damp
The ________ is the temperature at which condensation occurs.
dew point
A/An ________ is a tool with an internal thread similar to the thread in a nut that is used to cut external threads on bolts and on similar round metal or plastic stock.
die
A ________ is a component that provides drive wheel traction with independent drive wheel rotation rates, allowing power equipment with wheels to easily turn corners.
differential
A/An ________ valve is a valve that directs or prevents flow through selected passages.
directional control
What is the greatest cause of wear in a tractor's hydraulic systems?
dirt
A/An ________ switch is a switch that is used to remove electrical power from motors and machines.
disconnect
The size of a drill press is provided in terms of the ________.
distance from the drill press column to the point of the drill bit
A/An ________ is a wheeled, walk-behind device that is used to record measurements over distances.
distance measuring wheel
A/An ________ weld is made from both sides of a joint.
double-groove
A ________ is a system of drawing representation in which drawing elements are proportional to actual elements.
drawing scale
A/An ________ is a flexible, rubberlike material that can be stretched up to twice its length and returns to its original length when released.
elastomer
A/An ________ fence is a type of agricultural fence with metal wires that carry low amperage current and is used to control livestock.
electric
A/An ________ is an inexpensive, flexible polyethylene fiber rope or tape interwoven with fine steel or copper wires and carries low amperage current.
electric braid
A/An ________ is a rotating output component that converts electrical power into a rotating, mechanical force.
electric motor
A/An ________ fence is a type of portable electric fencing composed of plastic mesh with energized electric strands woven through it.
electric net
A long metal rod used to make contact with the earth for grounding purposes is known as a/an ________.
electrode
A/An ________ angle is the angle at which the electrode is held to the joint during welding.
electrode
A/An ________ is the component of the welding circuit that conducts electric current to the weld area.
electrode
A/An ________ is a device that holds an electrode during welding.
electrode holder (stinger)
A/An ________ clutch is a flexible drive system component that uses electrical energy to create a positive belt drive engagement for an implement or attachment.
electromagnetic
A/An ________ is a negatively charged particle in an atom.
electron
A/An ________ is a substance that cannot be chemically broken down and contains atoms of only one variety.
element
Form ________ is commonly established using a carpenter's level or transit-level.
elevation
A/An ________ is an opportunity to determine if the experience, skills and background of the applicant match the requirements of the position.
employment interview
The Agricultural Mechanics CDE for ________ systems applies knowledge and skills to mechanical power, electrical power, chemical power, wind power and solar power systems.
energy
A/An ________ is a machine that converts a form of energy into mechanical force.
engine
A ________ is the portion of a foundation that spreads and transmits loads directly to the soil.
footing
A/An ________ is formed by the concrete placed between the edge form and the opposite wall of a trench.
footing
Residue from the forestry industry includes ________.
forest slash
A/An ________ process is a process that shapes a part prior to final machining operations.
forming
A ________ drill bit is a drill bit with cutting edges on the bottom and side used to bore flat-bottom holes in wood.
forstner
The most common types of ________ used in agricultural applications include gasoline, diesel fuel and kerosene.
fossil fuels
A ________ is the part of a building that rests on and extends into the ground to provide support for structural loads.
foundation
Locations of trees, rocks, ponds, creeks and property drainage may be located on a/an ________ plan.
foundation
An independent lathe chuck has ________ jaws.
four
A/An ________ switch is an electrical switch used in conjunection with two three-way switches to provide control of a circuit from three or more locations.
four-way
A ________ test is a metal identification test that involves breaking a metal sample to check for ductility and grain size.
fracture
A ________ nailer is used for framing operations, including nailing studs to top and bottom plates and nailing joists and rafters to top plates.
framing
A/An ________ is an electrical overcurrent protection device with a fusible portion that is heated and broken by the passage of excessive current.
fuse
A/An ________ mixture uses oxygen and city gas, bottled gas, propane or butane.
gas-oxygen
Most small engine foam type filters should be serviced after 25 hours of operation by washing. Which of the following is not approved for safely washing the foam filter?
gasoline
Acetylene hoses are red, while oxygen hoses are ________.
green
Insulation that is ________ stripe is the standard color for a grounding conductor in the electrical field.
green or green with a yellow
A/An ________ is a staionary power tool used for quickly removing thin layers of material and/or improving surface finish.
grinder
A/An ________ weld is a weld made in the groove between the two parts to be joined.
groove
The type of agricultural machinery that is most sensitive to variations in travel speed is
ground wheel driven
A ________ is a device that protects against electrical shock by detecting an imbalance of current in the normal conductor pathways and opening the circuit.
ground-fault circuit interrupter (GFCI)
A/An ________ is a type of receptable designed to help protect occupants by detecting ground faults and quickly disconnecting the power from a circuit that has developed a ground fault.
ground-fault circuit interrupter (GFCI)
A/An ________ is an imaginary north-south continuous line on the surface of the earth that is roughly parallel to the principle meridian and used to establish longitude.
guide meridian
A/An ________ drill bit is a rotating saw blade with a mandrel mounted in the center that is used to cut larger holes than can be cut with drill bits.
hole saw
A ________ is a soil or waste pipe that receives only the discharge from fixtures on the same floor as the branch and extends horizontally from a stack.
horizontal branch
A/An ________ is a flexible tube used to direct fluid under pressure.
hose
Parts that have been soldered must be washed in a/an ________ bath to eliminate the corosive action of the flux.
hot water
A/An ________ is the center part of a wind turbine rotor to which the blades are attached.
hub
A/An ________ system is a fluid power system that transmits energy in an enclosed space using a liquid (hydraulic oil) under pressure.
hydraulic
A/An ________ is a specialized greenhouse erected to support hydroponic crops.
hydroponic structure
When repairing small engine the work should be done:
in a well ventilated work area
A/An ________ lamp is an electrical lamp that produces light by the flow of current through a tungsten filament inside a sealed glass bulb normally filled with a gas.
incandescent
Fluorescent lamps are sized in ________.
inches
A/An ________ is a pipe that vents an individual fixture trap and may terminate into a branch vent, stack vent, vent stack or the open air.
individual vent
A/An ________ test plug is a test plug that is inserted into pipe during an air or water test and secured in position by inflating the plug with air.
inflatable
A/An ________ point is the reference point for surveying using the PLSS.
initial
A/An ________ pump is a diesel engine component that provides pressurized fuel to the cylinder at precise intervals.
injection
A/An ________ is a material that has a very high resistance and resists the flow of electron.
insulator
A ________ is a portable power saw used to cut thin wood and nonwood products.
jigsaw
A/An ________ is a groove formed in fresh concrete that interlocks concrete structures placed at different times.
keyway
Generally the direction of travel for a right-handed welder when using a stick welding machine would be from:
left to right slowly and evenly across the plate
A typical application for a trickle irrigation system would be the irrigation of a crop such as ________.
lettuce
A/An ________ is a substance that separates moving (bearing) surfaces to reduce the friction and/or wear between them.
lubricant
A/An ________ test is a metal identification test that uses a magnet to check for the presence of magnetism in a metal.
magnetic
Aluminum conductors must be size(s) larger than copper conductors to carry the same electrical load.
one
A/An ________ is a type of drawing where all surfaces (front, top and side) of an object are projected onto flat planes that generally are at 90o (right) angles to one another.
orthographic projection
Common ________ include framing, palm and cordless.
pneumatic nailers
A/An ________ is a metric bolt designation used to describe bolt strength and consists of two numbers separated by a decimal point.
property class
A/An ________ is a particle with a positive electrical charge of 1 unit that exists in the nucleus of an atom.
proton
A/An ________ is an enclosed channel designed to protect electrical conductors.
raceway
A/An ________ system is a system that accumulates and stores rainwater for future use such as irrigation and watering.
rainwater harvesting
A ________ is a hand tool consisting of a flat piece of metal with corrugated teeth on one edge.
rake
A ________ hazard is the degree of susceptibility of materials to release energy by themselves or by exposure to certain conditions or substances.
reactivity
A ________ is an electrical contact device for connecting electrical equipment to a power source.
receptacle
A/An ________ pump is a pump in which fluid flow is produced from pistons moving back and forth.
reciprocating
A/An ________ saw is a multipurpose saw in which the blade reciprocates (quickly moves back and forth) to create the cutting action.
reciprocating
A ________ is a device that converts AC voltage to DC voltage by allowing the voltage and current to move in only one direction.
rectifier
The AC/DC welding machine is essentially an AC welder with an electronic device to convert AC to DC power. This electronic device is called a
rectifier
A/An ________ is a hand tool with a tip designed to fit into a screw head and, when turned, fastens or unfastens the screw.
screwdriver
An oil ________ is an oil seal component that contacts the moving part of the equipment to prevent material from passing by the oil seal.
seal lip
A _________ is a liquid or semiliquid material that forms an airproof or waterproof joint or coating.
sealer
Although they can be used for most types of laser level applications, ________ laser levels are primarily used for plumbing and leveling operations.
split-beam
A/An ________ level generates two laser beams which are projected 90o to one another.
split-beam laser
Pier footings can be ________, stepped or tapered.
square
You must know the kind of metal to be welded before you can select an electrode. Which of the following is an example of a ferrous metal?
steel
Parts or sections of a small engine valve are:
stem, margin, face
A/An ________ is a folding ladder that stands independently of support.
stepladder
A ________ is a moveable fence section in a permanently fenced area that controls access.
stock gap
A/An ________ system is a piping system used to convey rainwater or other precipitation to a storm sewer or other place of disposal.
storm water drainage
A/An ________ is a long wooden or metal pole with marks spaced evenly at 2" increments and is used for taking survey measurements.
story pole
A/An ________ fitting is a pipe fitting in which all openings have the same dimension.
straight
Crops typically grown in hydroponic structures include ________.
strawberries
A ________ plan indicates the type, amount, placement and fabrication of all materials used as structural supports of a building, bridge or other structure.
structural
The ________ used with framing systems are footings, foundations, walls and roofs.
structural components
A/An ________ weld is a small weld used to hold the parts in proper alignment until the welds are made.
tack
_____ welding is the welding of two pieces of metal at one or more point in order to hold the pieces together temporarily while welding them.
tack
The ________ of a lathe is mounted at the right-hand end of the machine.
tailstock
A/An ________ is a hand tool with a long handle and a steel grill base used for compacting fresh concrete, forcing coarse aggregate below the surface and bringing cement paste to the surface for finishing.
tamper
A horizontal ________ screw allows precise adjustment of the telescope on a builder's level in a left or right horizontal direction.
tangent
A ________ is a measuring tool consisting of a long continuous strip of fabric, plastic or steel that is graduated in regular increments of length measurements.
tape rule
A/An ________ is a square tract of land measuring 6 miles (9.65 km) on each side and is identified by its location in the tier and the range of a quadrangle.
township
A ________ is an electrical interface device that has no moving parts and is designed to change AC electricity from one voltage level to another voltage level.
transformer
What type of wiring cable should be installed for a branch circuit in a facility for livestock confinement?
underground feeder (UF)
A/An ________ gable greenhouse has roof slopes of unequal width, which make the structure a good choice when used on a hillside.
uneven-span
A/An ________ is a current-carrying conductor that is connected to loads through fuses, circuit breakers and switches.
ungrounded conductor
A/An ________ resin is a synthetic resin used in coating formulations to increase toughness, chemical resistance, abrasion resistance and durability.
urethane
A/An ________ plan is a type of drawing that indicates the location of utilities such as electrical, water, sewage, gas and communication services.
utility
Valves with hose threads, including sillcocks, must be installed with a/an ________ to prevent back siphonage.
vacuum breaker
A/An ________ is the outermost shell of an atom and contains the electrons that form new compounds.
valence shell
A ________ is a fitting used to regulate fluid flow within a system.
valve
A/An ________ is a device that controls the pressure, direction or rate of fluid flow.
valve
A/An _________ system is the system on an internal combustion engine that controls the flow of gases into and out of the combustion chamber.
valving
A/An ________ is an impervious chemical or material that retards movement of vapor or moisture through a structure or other surface.
vapor barrier
A/An ________ is a test instrument that indicates the presence of voltage when the test tip touches, or is near, an energized conductor or metal part.
voltage indicator
AC welding machines house transformers to reduce input _______ and increase output _______ for safe and effective welding.
voltage- amperage
A/An ________ is a test instrument that measures voltage.
voltmeter
A/An ________ is a vertical drainage pipe that extends through one or more floors and receives the discharge of fixtures other than water closets and urinals.
waste stack
Changes in current on a GMAW welding machine are made by changing the ________.
wire speed
________ is the process of joining metal using capillary action to distribute a filler metal (solder) that has a melting point less than the melting point of the base metal but not greater than 840oF.
Soldering (S)
A manure slurry is more viscous than liquid manure because it contains a higher percentage of what component?
Solids
________ welding is a welding process in which a solvent is applied that can temporarily dissolve plastic, allowing two plastic surfaces to bond to one another.
Solvent
________ welding is commonly used for connecting PVC and ABS pipe, as in irrigation applications and plumbing.
Solvent
Which of the following tools is used to measure the inside diameter of the cylinder of a small engine?
Telescoping gauge and micrometer
________ is the measurement of the degree or intensity of heat.
Temperature
________ force occurs when a mechanical load is applied axially to stretch the test specimen.
Tensile
What device is used to measure soil moisture levels?
Tensiometer
If three light bulbs, one of 100 Watts, one of 200 Watts, and one of 300 Watts, are connected in parallel to 115 volts, which of the following is true?
The 300 Watt light is brightest
When a grain tank extension is added to a small grain combine, what is the main safety consideration?
The additional weight raises the center of gravity and increasing the likelihood of combine overturn
Which of the following statements is correct with regard to the brazing process?
The base metals to be joined must be heated to a temperature slightly above the melting point of the brazing rod
What operation causes the relay contacts of a mechanical magnetic relay to open or close?
The magnetic field produced by the electromagnetic coil
What term identifies the outer edge of the head of an engine valve?
The margin
What device is connected to the internal wiring of an electrical motor and is designed to disconnect the operating circuit if the insulation on the windings of the motor become overloaded because of excessive amperage?
Thermal protection
________ plastics are not weldable.
Thermosetting
What component in the block of a small gasoline engine aligns the valve stem?
Valve Guide
What term describes thin sheets of wood that are glued together to form a sheet of plywood?
Veneers
_________ is the amount of moisture or water vapor in the atmosphere.
Relative humidity
What is the chemical symbol for Tin?
Sn
Standard ________ include straight, dowel, taper, clevis, cotter, grooved, slotted spring and spirally coiled.
pins
At $1.47 per BF, what is the cost of 172 BF of framing lumber?
$252.84
A truck tire is warranted for 50,000 miles and costs $360. The warranty credits a prorated amount of the purchase price toward a replacement tire based on miles of service. What warranty amounted is credited toward the price of a new replacement tire is the older tire fails after 40,000 miles of service?
$72.00
Douglass Fir costs $0.90 per nominal board-foot. What is the approximate cost of 38 boards with nominal measurements of 2 inches by 8 inches by 16 feet? Note: 1 board-foot = 144 cubic inches of wood
$730
Steel rod is sold for $1.74 per linear foot and steel pipe is sold for $2.86 per linear foot. If 10.5 feet of rod and 20.5 feet of pipe are purchased, what is the total price for the metal before taxes?
$76.90
What is the total cost of an item marked $76.94 if the sales tax is 6.75%?
$82.13
There is 180 feet of steel rod, 210 feet of steel pipe, 200 feet of steel tubing, and 190 feet of steel channel iron. If each type of steel is sold for $1.09 per linear foot, what is the total price of all the metal before taxes?
$850.20
Steel angle iron is sold for $1.59 per linear foot, steel rod is sold for $1.34 per linear foot, and steel pipe is sold for $2.68 per linear foot. If 9.5 feet of angle iron, 12.75 feet of rod, and 22.25 feet of pipe are purchased, what is the total price for the metal before taxes?
$91.82
Steel angle iron is sold for $1.95 per linear foot, steel rod is sold for $1.43 per linear foot and steel pipe is sold for $2.86 per linear foot. If 5.9 feet of angle iron, 75.12 feet of rod and 25.22 feet of pipe are purchased, what is the total price for the metal before taxes?
$91.82
Steel angle iron is sold for $1.45 per linear foot, steel rod is sold for $1.13 per linear foot, and steel pipe is sold for $2.29 per linear foot. If 8 feet of angle iron, 15 feet of rod, and 30 feet of pipe are purchased, what is the total price for the metal before taxes?
$97.25
Mixing antifreeze with water at a ratio of 50:50 lowers the freezing temperature in the engine from 32oF to about _____oF.
-34
If specifications are not available, the gap of a four stroke cycle small engine spark plug should be set at
.030 inch
What is the average no-load (or open circuit) amperage and voltage in a direct current (DC) arc welding circuit?
0 amperes and 60-80 volts
In a standard 120/240-volt service entrance panel, what should the voltage measure between the grounding bar and the neutral buss?
0-volts
3 mils = _____"""
0.003
4 mils = _____"""
0.004
If a wattmeter measures 6500 watts of power being used by a five horsepower electric motor, operating at 240 volt, and 29 amps, what is the approximate power factor for the motor? Formula: Wattage = Voltage x Amperage x Power Factor
0.933 or 93% power factor
On a four stroke cycle engine, two revolutions of the crankshaft corresponds to _________ revolution(s) of the camshaft
1
What is the box fill volume allowance for each ungrounded conductor that enters or exits an electrical box?
1
During a hay harvesting operation, assume the field efficiency is 88 percent and the 13 ft wide mower conditioner being used will travel at 6.5 mph. If the hay field is 10.25 acres, how long will it take to cut the hay?
1 hour and 8 minutes
A tractor produces 225 PTO horsepower at a rated power take-off speed of 1000 revolutions per minute. Approximately how much torque in foot-pounds does the tractor produce at the power take-off shaft? Note: PTO Power = (Torque x Rotational Speed) / 5252
1,180 ft-lb
In a swine Contained Animal Feeding Operation (CAFO), what is the optimum pipe discharge size for a manure pump that you would use to pump solid manure?
1.5 to 2 inch
PVC pipe up to _____" in diameter is available for use in underground drainage piping.
16
If 380 feet of steel rod is used to construct a hay feeding rack and the rod weighs 0.685 pounds per foot of length, what is the approximate weight of the hay feeding rack?
260 pounds
138 x 21 =
2898
A tractor fueled by No. 2 diesel burns 7.75 gallons per hour. When the same tractor is fueled with B20 biodiesel it burns 8.25 gallons per hour. Approximately how many more gallons of fuel will the tractor use during 8 hours of operation if it is fueled by B20 biodiesel rather than No. 2 diesel?
4.0 gallons
If a storage container measures 300 feet wide by 1200 feet long, how deep should the container be to hold 1,500,000 cubic feet of liquid? Note: 1 cubic foot = (1 foot x 1 foot x 1 foot)
4.17 feet
Electrical metallic tubing (EMT) is approximately _____% lighter than rigid metal conduit (RMC).
40
Pesticide spray nozzle data states that the Volume Median Diameter (DV0.5) of a given nozzle is 370 microns at 40 psig and 0.5 gpm. What percent of the droplets from this nozzle will have diameters smaller than 370 microns? (Note: gpm= gallons per minute and psig= pounds per square inch, measured with a gauge.)
50 percent
Overhead service conductors that run from the service pole to a building are usually made out of what type of material?
Aluminum
Stainless steel is welded with electrodes which are classified by the:
American Iron and Steel Institute (AISI)
________ is the amount of movement (play) between meshing gear teeth.
Backlash
Which of the following statements is correct regarding CPVC pipe installation?
CPVC can be used with hot water and water that contains caustic chemicals
________ blades have tungsten-carbide tips brazed to the teeth and are effective for cutting hard materials.
Carbide-tipped
When a tractor engine is operated in an enclosed building, what exhaust gas presents a hazard to people and animals?
Carbon Monoxide
Which of the following grain drying fan types is quietest?
Centrifugal
________ is an FCAW variation in which shielding gas is provided exclusively by the flux core within the electrode.
FCAW-S
________ reinforcement is reinforcement on the same side as the welding.
Face
Made of select clay to impart distinctive, uniform colors and is commonly used for exposed, finished surfaces.
Face brick
What characteristics are exhibited by grain loaded into extremely large containers (semi-trucks, railcars, barges)?
Fine particles tend to concentrate in a region near the center of the container
________ is brick manufactured from refractory ceramic materials that resist disintegration at high temperatures.
Firebrick
What is the name of the cleansing agent used to prevent the formation of oxides, release trapped gases, and slag and cleanse the metal chemically during the welding, brazing, and/or soldering process?
Flux
Which of the following statements is correct regarding the methods of applying brazing flux?
Flux may be sprayed on, brushed on, or applied with a pressurized applicator
________ arc welding produces an arc between a continuous tubular electrode with flux in its core and the base metal, creating a weld pool.
Flux-cored
________ welding is an arc welding process that produces an arc between a continuous tubular electrode with flux in its core and the base metal, creating a weld pool.
Flux-cored arc
________ lumber includes dimension lumber, special dimension lumber and timber classifications.
Framing
________ lumber is primarily used for structural load-bearing applications and is graded for its strength.
Framing
When a small quantity of concentrated pesticide formulation is to be stored, which of the following is the best container for storage?
In the original pesticide container
What is the chemical symbol for Nickel?
Ni
What essential nutrient required for plant growth do legume cover crops provide?
Nitrogen
Which of the following are major nutrients of manure?
Nitrogen, phosphorous, and potassium
A farm tractor is required to have a slow moving vehicle (SMV) emblem displayed when it is operated on public thoroughfares and this indicates that it will travel at what speed?
No more than 25 miles per hour when operated on public thoroughfares
Which of the following is true with regard to augers and grain damage?
Operating augers at full capacity can reduce grain breakage
________ display enough information to produce a visual picture but typically do not include dimensions.
Pictorial drawings
________ are hand tools that have opposing jaws for gripping or cutting.
Pliers
Until modern square bale handling equipment was available, what has been the major drawback in the production of square bales?
Process was very labor intensive
________ requires the ability to read drawings, plans, prints and project specifications.
Project planning
________ welding produces a weld using heat obtained from resistance between workpiece projections to the welding current.
Projection
________ is the application of specific loads to welded structures, without failure or permanent deformation, to assess their mechanical integrity.
Proof testing
In four-stroke small gasoline engines, which of the following oil viscosities is recommended for engines operated at temperatures above 40 degrees Fahrenheit?
SAE 30
Which of the following statements is correct with respect to safety glasses while welding?
Safety glasses should be worn continuously while working with or near metal working activities
Which soil type normally offers the least draft for a disk harrow?
Sandy Loam
What devices do disc mowers typically use to cut the crop?
Short blades
When making an amperage reading, what advantage does a meter with induction clamp-on jaws have over a meter that uses two leads to measure current?
The clamp-on jaws can be used on a single conductor without having to connect directly to an operating electrical circuit
Which one of the following statements correctly identifies an electrical ground? Not an electrical short.
The connection of neutral conductors to earth
If the contacts of a mechanical magnetic relay have a normally closed designation, what happens when the relay's coil is energized?
The contacts open and remain opened as long as the coil is energized
Which of the following letter classifications for plywood indicates that the exterior veneer has fewer imperfections (has a better appearance)?
The letter A
Which of the following is a true statement concerning the crankshaft of a multiple cylinder engine?
The multiple cylinder crankshaft must have multiple crankpin journals to accommodate multiple connecting rods
When an oxyacetylene cutting torch is operating, what does a loud squealing or hissing noise indicate?
The oxyacetylene mixture is igniting inside the torch in an unsafe manner
What does the service factor of a motor indicate?
The percent overload that the motor can tolerate on a continuous basis
Which of the following will occur with higher concentration of nitrogen are applied to growing wheat?
The potential for lodging and disease increases
When overload protection is selected for installation inside a motor or motor controller, it should be sized for what part of the circuit?
The safe operating amperage of the motor
Which of the follow describes the benefit of conducting a spread pattern test for a granular fertilizer spreader?
The uniformity of the fertilizer distributed over the effective swath width
Which of the following most likely indicates the presence of water in the hydraulic system in a piece of farm machinery?
a grayish, milk-colored fluid
A/An ________ resin is a thermoplastic resin formed with esters of acrylic acid.
acrylic
A/An ________ rainwater harvesting system is a rainwater harvesting system where rainwater is captured, stored and later transported by other means to a desired application area.
active
The three main parts of a/an ________ system are rain, collection devices and an application method.
active rainwater harvesting
A/An ________ spray paint system is a type of spray paint system that allows spray painting of high-viscosity coatings without the use of air pressure.
airless
Blocks include stretcher, corner, header, _________, column, jamb, screen and split-face designs.
all of the answers listed
Common admixtures include ________, accelerators and air-entrainers.
all of the answers listed
Common forming processes include ________, rolling, drawing and extruding.
all of the answers listed
Fences are used ________.
all of the answers listed
Nonthreaded fasteners include ________.
all of the answers listed
The finish on a resized or reconditioned cylinder should have a crosshatch appearance in order to:
allow proper lubrication and ring rotation
A nonferrous metal welding process that uses AC with superimposed HF is known as ________.
alternating current high frequency (ACHF)
A/An ________ is half of a cycle.
alternation
Copper and ________ materials form similar high-melting-point oxides and possess high thermal conductivity, making it difficult for them to be heated sufficiently for oxyfuel cutting.
aluminum
A/An ________ is a test instrument that measures the amount of current in an electrical circuit.
ammeter
The output of an arc welding machine is commonly expressed in terms of
amperage
Which of the following is not a cause of undercutting?
amperage set too low
A ________ is the foundation on which a lathe is built.
bed
Drill presses are available as a/an ________ - or floor-model type.
bench
A ________ includes pricing, performance criteria and scheduling and staffing information as needed by the owner for selection of the contractor or contracting team.
bid proposal
A ________ is a written list of parts or components that are required to build a specific product.
bill of materials
The color at the Spark Plug gap that indicates a good spark:
blue
A/An ________, when referring to force, is anything with mass.
body
A ________ is a hand tool used by masons for dressing brick.
brick hammer
If using metallic device boxes, the NEC requires that the cable be secured within the box by an approved _______ clamp or cable connector.
cable
A/An ________ is the amount of heat energy required to change the temperature of 1 kilogram of water 1oC.
calorie
A/An ________ soil is soil that remains in a compacted state after a weight is removed.
compactible
When using the American Welding Society (AWS) classification system, the last digit on the electrode indicates the ________.
composition of the flux on the electrode
A/An ________ is a material that readily transmits heat.
conductor
A/An ________ receptacle is a receptacle that is suitable for installation in locations that are subject to explosions.
explosionproof
A/An ________ is a low area between the teeth of a saw blade.
gullet
A/An ________ roof can allow for more natural lighting or extra storage.
half-monitor
A/An ________ is a striking or splitting tool with a hardened head fastened at a right angle to its handle.
hammer
A/An ________ allows one-hand operation because it releases a staple when struck against a surface in a hammering motion.
hammer tacker
A/An ________ is an electric or pneumatic tool used to bore holes up to 5/8" in diameter in hard surfaces such as masonry and concrete.
hammer-drill
PAC equipment is usually classified as ________.
handheld (portable) or mechanized
A/An ________ is a wood-cutting hand tool consisting of a straight, toothed blade attached to a handle.
handsaw
A/An ________ is the failure of a system, equipment or component to operate as designed.
malfunction
Three-phase motors are best used in applications such as ________.
manure digesters
The ________ of a scaffold is the total of all loads, including the working load, the weight of the scaffold and any other loads that may be anticipated.
maximum intended load
A/An ________ system is a combination of mechanical components that transfer power from one location to another.
mechanical drive
Crawl space ventilation methods include ________.
metal louver foundation vents
Soil salinity is the measurement of the accumulation of ________ found in soil.
mineral salts
A/An ________ gear is a bevel gear used at right angles to transmit power at a 1:1 ratio.
miter
A/An ________ is a device used with a table saw for the purpose of guiding a piece of material when performing crosscutting operations.
miter gauge
When heat from the oxyacetylene flame is directed to the weld area, a depression of ________ is formed.
molten metal (the weld pool or puddle)
A ________ foundation is formed by constructing an edge form along the outside edge of a trench.
monolithic slab-on-grade
A/An ________ is a recess or cavity in lumber or other material that receives a reverse-shaped member such as a tenon or lock.
mortise
A/An ________ is a test instrument used to measure two or more electrical quantities.
multimeter
A/An ________ flame has an approximate one-to-one mixture of acetylene and oxygen and therefore has neither oxidizing nor carburizing characteristics.
neutral
A ________ test is a destructive test conducted by saw-cutting a small notch in a weld specimen, followed by breaking it with hammer blows.
nick break
A/An ________ electrode is an electrode that does not melt and become part of the weld.
nonconsumable
A/An ________ greenhouse is installed against the side of an existing structure to reduce the cost of construction and, ideally, should be placed on the south wall of the existing structure.
none of the answers listed
A/An ________ joint is used where a bond is needed between two successive placements of concrete.
none of the answers listed
A/An ________ metal is a metal that does not contain iron.
nonferrous
When boosting a "down" battery one should take care to connect the jumper cables in
parallel
Service conductors supplying one building shall not _____________ of another building.
pass through the interior
A/An ________ is a list of the maintenance tasks and frequency of when the tasks should be performed.
periodic maintenance schedule
Agricultural mechanics must wear ________ and know when to take a tool out of service and replace it with a new tool.
personal protective equipment (PPE)
A/An ________ is a PV power-generating unit consisting of a specific number of individual electrically and mechanically integrated modules with structural supports, trackers or other devices.
photovoltaic (PV) array
A/An ________ is a solar power source that produces electricity when light strikes the surface of the cell.
photovoltaic cell
A ________ is a device that controls one electrical circuit by opening and closing contacts in another circuit.
relay
The type of _______ system installed depends upon the topography of the site, geographical location, soil porosity, groundwater elevations and the system location with relation to streams, wells, property lines, water lines and other factors.
septic
A ________ is a private sewage disposal system that collects waste from a building to treat and dispose of within the property confines.
septic system
A ________ is a location for the entry of electric utilities into a structure.
service entrance
A/An ________ foundation is a cost-effective method that eliminates deep excavations, high foundation walls and costly wood-floor systems.
slab-on-grade
A ________ is a general-purpose bench plane that is shorter in length than a jointer or a fore plane.
smooth plane
Cherry costs $3.46 per BF. How much will 132 BF of cherry cost?
$456.72
What is the total cost of this lumber?"
$543.76
If a storage elevator charges 3.25 cents per bushel per month to store wheat, what is the total cost to store 38,400 bushels for 5 months?
$6,240.00
1 liter = 61 cubic inches 1 cubic inch = 0.0164 liter"
8.3 liters
Rectangular structure measuring 6"" thick by 15' wide by 30' long."
8.33 cu yd
________ is the growing of crops in a nutrient solution without the use of a supporting material.
Hydroponics
Most fence wire manufacturers use a Class _____ galvanized coating to prevent rust.
I
When pulling (towing) a heavy load behind a tractor, where should a chain be attached to the tow tractor?
The tractor's drawbar
When pulling or towing a heavy load behind a tractor where should a tow chain be attached to the tractor?
The tractor's drawbar
A/An ________ is a machine element used to apply force to a moving surface for the purpose of slowing or stopping in a controlled manner.
brake
The cast iron housing on your mower must be welded as you cannot purchase a new cast iron replacement. You are forced to weld mild steel to cast iron. The filler rod you should select should be made from
brazing rod
A place on a contact where the circuit opens and closes is known as a/an ________.
break (as related to an electric circuit)
A/An ________ is a special chisel-like hand tool used to cut bricks to exact measurements.
brick set
A/An ________ is the sliding contact that rides against the commutator segments and is used to connect the armature to the external circuit.
brush
A/an ________ estimate is an estimate in which each individual construction component is accounted for or taken off.
detail takeoff
What is the total material cost for this lumber order?"
$456.60
Compression ratio is
"the relationship between the volume of the cylinder plus combustion chamber at the beginning of
Which of the following lens shades is most effective at reducing the brilliancy of light and screening out the harmful infrared and ultra-violet rays produced during arc welding?
#12 shade lens
If the annual property tax rate is 2.2%, what is property tax per year on a property with a value of $50,000?
$1,100
You are applying for a fuel tax rebate. The amount of fuel road tax is 32 cents per gallon. If the refunding is 50% of this amount, what will be the refund for 8,000 gallons of fuel?
$1,280
Sixteen board feet of maple at $4.02 per BF and three sheets of 1/4" luan mahogany at $18.32 per sheet will cost how much?
$119.28
Concrete delivered to a farm costs $90 per cubic yard. If the exact amount of concrete needed is purchased, what is the approximate cost for concrete to be delivered to a farm for a slab 6 inches thick, 40 feet wide, and 200 feet long? Note: 1 cubic yard = 27 cubic feet
$13,333.00
The monthly charge to operate an electrical system is 15 cents per kilowatt hour (KWH) for the first 1000 hours and 17.5 cents for each hour greater than 1000 hours. If the system uses 1485 KWHs of electricity during a single month, what is the approximate monthly cost, in dollars, to operate the system? (1 Kilowatt = 1000 Watts)
$154.84
A skid steer was purchased 5 years ago for $44,600 and has an estimated 10 year life. If the accumulated depreciation is $23,400 what is the current book value?
$21,200
If it costs $1.12 per bushel to clean and sack seed, what is the charge to clean 12,000 pounds of seed? Note: 1 bushel = 60 pounds
$224.00
Agricultural equipment was purchased five years ago for $52,000 and has an estimated 10 year life. If the accumulated depreciation is $23,400 to date, what is the current book value?
$28,600
A loader was purchased 5 years ago for $52,000 and has an estimated 10 year life. If the accumulated depreciation is $23,400, what is the current book value?
$28,600.00
If sales tax is 7.15 percent, what is the approximate total cost including the sales tax, for an item marked $36.94?
$39.58
If 10-foot long, 2-inch by 4-inch lumber (nominal dimensions) sells for $0.45 per board foot (nominal size), what is the cost for 144 pieces of lumber this size? Note: 1 board foot = 144 cubic inches of lumber
$432.00
There is 165 feet of steel rod, 209 feet of steel pipe, 147 feet of steel tubing, and 182 feet of steel channel iron. If each type of steel is sold for $1.39 per linear foot, what is the total price for all the metal before taxes?
$977.17
Wind energy systems that produce up to ________ are typically used by homeowners, farmers and ranchers.
100 kW
6 mils = _____"""
0.006
8 mils = _____"""
0.008
10 mils = _____"""
0.010
20 mils = _____"""
0.020
25 mils = _____"""
0.025
What is inappropriate spark gap for the spark plugs in most four-stroke small gasoline engines?
0.030 inches
32 mils = _____"""
0.032
36 mils = _____"""
0.036
40 mils = _____"""
0.040
45 mils = _____"""
0.045
51 mils = _____"""
0.051
64 mils = _____"""
0.064
If a Wattmeter measures 5800 Watts of power being used by a five horsepower electric motor, operating at 230 volt, and 28 amps, what is the approximate power factor for the motor? Formula: Wattage = Voltage x Amperage x Power Factor
0.091 or 90% power factor
A pesticide spray boom, traveling at 8 miles per hour, has a 48-foot effective swath width, the spray tips are spaced on 20-inch centers, and it applied 15 gallons per acre. What is the approximate delivery rate of the spray tips in gallons per minute? Note: Gallons/Minute = [(Gallons/Acre) x (Miles/Hour) x (Nozzle Spacing in Inches)] / 5940
0.4 gallons per minute
During a 30-second sprayer calibration procedure, 26 ounces of liquid are collected from a spray tip. What is this tip's approximate delivery rate in gallons per minute? (Note: 1 gal = 128 ounces, 1 minute = 60 seconds)
0.4 gallons per minute
When determining the correct combination of electrical box size and appropriate number of conductors, what is the box fill volume allowance for each ungrounded 12 gauge conductor that enters or exits an electrical box?
1
3/8 + 1/2 + 5/16 =
1 3/16
What are the standard dimensions (thickness x width x length) of the board measure known as a board-foot?
1 inch x 12 inches x 12 inches
2 yd, 5'-9"" ÷ 3 = "
1 yd, 11"
Laser levels are self-leveling and accurate up to _____'.
1000
T2 = 2nd Safe Exposure Time"
1.35 CEV
A disc mower-conditioner has a cutting width of 13 feet, operates at seven miles per hour (MPH), and has a field efficiency of 90 percent. What is the approximate effective field capacity (EFC) of the mower-conditioner in acres per hour? Note: EFC = [(MPH) x (Width in Feet) x (Efficiency)] / 8.25
10 acres per hour
According to the National Electric Code, in no case shall the point of attachment of service drop conductors be less than how many feed above finished grade?
10 feet
In a Contained Animal Feeding Operation (CAFO), at what level does Carbon dioxide gas (CO2) affect animals causing them to become dizzy and even unconscious?
10% CO2
A loader uses two hydraulic cylinders, 2.5 inches in diameter and 36 inches long, to raise and lower the loader lift arms. If the loader's hydraulic system can generate a maximum pressure of 2,200 pounds per square inch, what is the approximate maximum lifting force (pounds) that each cylinder can produce? Note: Force in pounds = (Pressure in pounds per square inch) x (Cross Sectional Area in square inches) Cross sectional area of cylinder in square inches = Area of circle = π x (radius)2
10,799 pounds
What is the optimal percent moisture content for alfalfa hay when it is baled into large round (dry, not silage) bales?
10-15%
A 12 horsepower single cylinder engine is operating at 4000 feet above sea level. What approximate horsepower is produced by the engine if the engine's power is decreased 3.5 percent for each 1000 feet of elevation above sea level?
10.32 horsepower
A laser hand level accurately projects a laser beam up to _____'.
100
During initial curing, concrete shrinks an average of 2/3" per _____'.
100
Never spray a coating in an area with an air temperature of _____oF or higher.
100
The recommended drilling speed for mild steel is approximately _____ rpm.
100
A tractor produces 105 horsepower and has a power takeoff speed of 540 revolutions per minute. Approximately how much torque, in foot-pounds, can this tractor produce? Note: Torque = (PTO Horsepower x 5252) / Rotational Speed
1000 foot-pounds
A temperature of 40oC is equal to _____oF.
104
When grain will be used for seed, what is the safe temperature for drying the grain?
110 degrees F
An 120-volt electrical circuit will operate a 1200-watt resistance heater and four 200-watt incandescent light bulbs. If the circuit is operated 6.5 hours each day for 90 days, how many kilowatt hours will the electrical system use during the time period? Note: Kilowatt hours = Total Watts x Total hours over 1000
1170 kilowatts hours
A room in an outbuilding is 9'-10" wide. The doorway and window openings in the room have been measured in inches. How wide is the room in inches?
118"
Footings must be installed to a minimum depth below the frost line of _____".
12
The NEC requires small appliance circuits to be installed using a minimum of a No. size conductor.
12
The required working pressure for acetylene must be between 1 psi and _____ psi.
12
16' ÷ 16" =
12"
Common lubricating grease is not suitable for operating speeds over _____ rpm.
12,000
A non-metallic sheathed cable that contains two #12 insulated conductors (white and black) and one bare grounding conductor would be identified by which of the following markings?
12-2 WG
How much torque in ft-lbs is applied to a head bolt by applying 120 pounds of force on the end of a wrench 12 inches in length? Note: Torque in ft-lbs = (Force in pounds) x (Length of lever arm in inches)
120 ft-lbs
Steel angle iron weighs 1.25 pounds per linear foot and costs $89.45 for a 20-foot length. Steel pipe weighs 1.15 pounds per linear foot and costs $85.65 for a 20-foot length. If 120 pounds of each type of steel is purchased, which of the following statements is correct?
120 pounds of steel pipe will cost more than 120 pounds of steel angle iron
Steel angle iron weighs 1.32 pounds per linear foot and costs $78.88 for a 20-foot length. Steel pipe weighs 1.19 pounds per linear foot and costs $83.57 per linear foot. If 120 pounds of each type of steel is purchased, which of the following statements is correct?
120 pounds of steel pipe will provide more linear feet of length than 120 pounds of steel angle iron
In a standard 120/240-volt service entrance panel, what should the voltage measure from a terminal on a double-pole (240-volt) circuit breaker to the neutral buss?
120-volts
How much power (Wattage) is used by a 120 volt circuit with a 10 ampere load?
1200 Watts
What amperage rating should be used when computing an estimated motor load for a single electrical motor?
125 percent of the motor's full-load current rating
The concrete rinse pad for a pesticide collection system should be designed to contain what quantity of pesticide material?
125% of the volume of the largest storage container stored in or on the structure
What is 10'-6" when converted to only inches?
126"
Information: Wattage = Voltage x Amperage Voltage = Amerage x Resistance"
1260 Watts
If each outlet on an electrical circuit theoretically uses 1.5 amperes, approximately how many outlets may safely be installed on a circuit sized to carry a maximum of 20 amperes?
13 outlets
What is the maximum moisture content for the safe long term storage of shelled corn?
13 to 15 percent
How much rainwater can be collected from a catchment area of 35,000 sq ft with a monthly average measured rainfall of 0.62"?
13,367 gallons
How much rainwater can be collected from a catchment area of 2200 sq ft with a one-time measured rainfall of 0.95"?
1302 gallons
What is the length of the most commonly used electrode for the process of shielded metal arc welding?
14 inches
Using basic workpiece calculations: A 14" board is cut into 12 equal lengths on a radial arm saw. How long is each piece? (Disregard saw kerf.)
14"
In sound decibel units, what is considered to be the threshold of pain for humans working near agricultural equipment operations?
140 decibels
Some flat belts can operate at pulley speeds up to _____ rpm.
140,000
What is the volume of a 6-foot diameter round bale that is 5 feet long? Note: Volume of a Cylinder = (π) x (r)² x (length), π= 3.14, r= radius
141 ft²
Portable generators can typically have a power capacity up to _____ kW.
15
When handling oxygen and acetylene cylinders, the maximum safe operating pressure for acetylene is _____ psi.
15
What is the maximum hose pressure in pounds per square inch (psi) for acetylene fuel gas used in oxyacetylene cutting equipment?
15 psi
What is the maximum recommended hose pressure in pounds per square inch (psi) for acetylene fuel gas used in oxyacetylene cutting equipment?
15 psi
What current (amperage) is required for a 3.6 kiloWatt electric water heater when it operates at 240 volts? Note: Wattage = Voltage x Amperage, 1 kiloWatt = 1000 Watts
15.00 amps
A broadcast fertilizer spreader is driven over the top of a 12-foot by 12-foot tarpaulin placed on the ground. If 5 pounds of fertilizer is collected on the tarp, what is the approximate application rate in pounds per acre? Note: 1 acre = 43,560 square feet
1500 pounds per acre
Depending on the type of climate, properly installed pressure-treated wood can be in service from _____ years to _____ years.
15; 25
The most commonly used size of curved-claw hammer is _____ oz.
16
A label specifies that pesticide formulation be applied at the rate of 8 ounces per acre. How many acres will one gallon of this pesticide formulation treat? Note: 1 gallon = 128 acres
16 acres per gallon
7 yd, 3'-16"" x 2 ="
16 yd, 2'-8"
How much rainwater can be collected from a catchment area of 1250 sq ft with a monthly average measured rainfall of 2.10"?
1617 gallons
5 yd, 4'-88"" x 2 = "
17 yd, 1'-8"
Assume you have a 30' x 60' farm shop with an equal sided gable roof. The roof has a four inch rise per foot of run. Assume a 2 ft overhang beyond the exterior wall. What will the approximate length of the common rafter be when you are ready to install the rafter? a2 + b2 = c2
17' 11"
36'-6" - 18'-9" =
17'-9"
A skid-steer loader is used to move soil from a stockpile. The loader uses two 3-inch by 36-inch hydraulic cylinders to raise and lower the loader lift arms. If the loader's hydraulic system can generate a maximum pressure of 2,500 pounds per square inch, approximately what is the maximum lifting force (pounds) that each cylinder can produce?
17,700 lbs
What is the approximate circumference of a round hay bale that has a diameter of 5 feet 9 inches? Note: Circumference of a Circle = (π) x (diameter), π= 3.14. 1 foot= 12 inches
18 feet
A dairy farmer plans to paint the concrete floor in a room that has an area of 200 sq ft. What is the area of the room in square meters?
18.6 sq m
For proper growth, corn typically requires moisture in the soil at depths between _____" to _____" during the growing season.
18; 22
3'-6" + 13'-4" + 2'-11" =
19'-9"
Approximately how many cubic yards of concrete must be ordered if the concrete must fill a wooden form measuring 30 feet wide, 50 feet long, and 4 inches deep if five percent extra concrete is ordered? Round the answer to the nearest one-half cubic yard. Note: 1 cubic yard = 27 cubic feet, 1 foot = 12 inches
19.5 yd³
The three classes of external threads are ________.
1A, 2A and 3A
The three classes of internal threads are ________.
1B, 2B and 3B
A contractor wants to cut a 2 x 4 that is 9'-7" long into four equal pieces of wood. What is the length of each piece of wood?
2'-4 3/4"
For most fencing appications, steel T-posts are normally driven to a depth of about _____'.
2
On a four-stroke cycle engine, the crankshaft makes ______ complete revolutions or turns during a cycle.
2
Service lateral conductors must be installed a minimum of ______ feet below the ground surface level.
2
In determining field loss during planting, the average count is 20 seeds per square foot of area sampled. If there are approximately 387,120 seeds in one bushel, approximately how many bushels of seed are lost per acre? Note: 1 acre = 43,560 square feet
2.25 bushels per acre
If a two-stoke small engine requires a fuel to oil mixture of 50 parts gasoline to 1 part oil, what would be the correct amount of oil to mix with one gallon of gasoline? Note: 1 gallon = 128 ounces
2.56 ounces of oil per one gallon of gasoline
As a general rule of thumb, what minimum increase in air temperature will double the moisture holding capacity of air and cut the relative humidity in half?
20 degrees F
Moisture content is a key factor influencing grain damage during harvest. Generally, less damage occurs during harvest if the grain has what percent moisture content?
20%
What year did the National Electric Code include the requirement that a GFCI protection should be installed in a livestock barn?
2005
A twenty foot long dump truck bed is 54 inches deep and seven feet wide. What is the approximate capacity of the truck bed in cubic yards if a load is struck level across the top?
23 yd³
How many square feed are in 5.5 acres? Note: 1 acre = 43,560 square feet
239,580 ft²
1 liter = 0.26 gallon 1 gallon = 3.79 liters"
25 gallons
During normal operation of a four-hour stroke gasoline engine, what is the typical manufacturer's recommended service interval for changing the engine oil?
25 hours
What is the typical manufacturer's recommended service interval for the foam air filters on most small gasoline engines?
25 hours
A slow moving vehicle (SMV) sign should be displayed on farm vehicles that will not be operated on public roads at speeds faster than
25 miles per hour
A twenty-foot-long dump truck bed is 54 inches deep and 90 inches wide. What is the approximate capacity of the truck bed in cubic yards if a load is struck level across the top? Note: 1 yd3 = 27 ft3
25 yd3
The inside measurements of the dump bed on a truck are 20 feet long, 54 inches deep, and 7.5 feet wide. What is the approximate capacity of the truck bed in cubic yards if a load is struck level across the top? 1 cubic yard = 27 cubic feet, 12 inches = 1 foot
25 yd3
Acetone is a liquid chemical that stabilizes acetylene and allows the cylinder to be pressurized to _____ psi.
250
Bricks are typically shipped on pallets that contain _____ bricks.
250
Pesticide spray equipment has a 60-foot effective swath width, travels at 4.25 miles per hour, and operates with a field efficiency of 85 percent. What is the approximate effective field capacity (EFC) of the sprayer in acres per hour? Note: EFC in acres per hour = (width of swath in feet x speed in miles per hour x efficiency) / 8.25
26.27 acres per hour
The weight of wheat is 26.1 pounds per cubic foot and wheat is stored to a depth of 10 feet in a wooden storage bin. If the floor supports of the bin are spaced 4 feet apart, what is the maximum pressure, in pounds per square foot, applied to the supports? Formula: Pressure in pounds per square foot = (pounds per cubic foot) x (depth of wheat in feet)
261.0 pounds per square foot
What approximate horsepower is produced by the PTO of a tractor, with a torque of 1,400 foot-pounds, when operated at 1,000 revolutions per minute? PTO horsepower = (Torque in foot-pounds) x (Rotational Speed in revolutions per minute)
267 horsepower
How many sheets of standard sized, three-quarter inch plywood are needed to completely cover a floor measuring 36 feet by 24 feet? Note: Standard size plywood is 4 feet by 8 feet
27 sheets of plywood
Information: Plywood measures 4 feet by 8 feet"
27 sheets of plywood
If wheat has an average weight of 60 pounds per bushel and there are 0.453 kilograms in a pound, how many kilograms are there in a bushel of wheat?
27.18 kilograms
What hole size must be drilled for the proper tapping of a 1/2-13NC thread (1/2 inch diameter with 13 threads per inch)? Note: Approximate Hole Size for Tapping = [Diameter of the Thread - (1/Number of threads per inch)]
27/64 inch
A total of 410.5 feet of steel rod is used to construct a hay feeding rack. The rod weighs 0.685 pounds per foot of length. If the filler metal from welding adds an additional 2.8 pounds to the overall weight, what is the approximate total weight of the feeding rack?
273 pounds
A tractor pulling a scraper on firm soil requires 225 drawbar horsepower to travel at 3 miles per hour. Approximately how much drawbar pull in pounds is the tractor exerting? Note: drawbar power = (Pull x Speed) / 375
28,100 pounds
What is the approximate surface area, in square inches, for the end of a round concrete posts with a diameter of 6 inches? Area of circle = (π) x ( diameter)2 ÷ 4
28.26 square inches
Assume convenience outlets will be placed a maximum of 20 feed apart along the outside walls in the farm machinery shed. If the shed is rectangular shaped, measuring 60 feed by 225 feet, what is the minimum number of convenience outlets required for this installation?
29
Pulley Size Formula: (Diameter of Pulley 1 x Speed of Pulley 1) = (Diameter of Pulley 2 x Speed of Pulley 2)"
3 inches
1 ton = 2000 pounds 1 bushel 2.44 cubic feet"
3,140 bushels
Batts used with blanket-and-batt insulation are usually _____" long.
48
2 yd, 15'-200"" x 3 ="
37 yd, 2'
What current (amperage) is required for a 9000VA electric water heater when it operates at 240 volts? Assume a power factor of 1. Formula: Wattage = Voltage x Amperage x Power Factor; 1 kilowatt = 1000 Watts
37.5 amps
What is the approximate combined total weight of a trailer weighing 10,000 pounds when it is loaded with 500 bushels of shelled corn that weighs 58 pounds per bushel?
39,000 lbs
What is the approximate combined total weight of a trailer weighing 9,445 pounds when it is loaded with 525 bushels of shelled corn that weighs 56.4 pounds per bushel?
39,000 lbs
If it takes 35 seconds for a spray applicator to travel 155 feet, what is the approximate travel speed of the spray applicator in miles per hour? Note: 1 mile = 5280 feet, 1 hour = 3600 seconds
3.02 mph
Round column measuring 24"" in diameter by 30' high."
3.49 cu yd
Area of Rectangle = length x width"
3.8 hectares
What is the speed, in miles per hour, of a sprayer that travels 375 feet in 65 seconds? Note: 1 miles = 5280 feet, 1 hour = 3600 seconds
3.93 miles per hour
In a conservation tillage system such as mulch tillage, approximately how much of the soil surface should remain covered by crop residues?
30 percent
What is the maximum length of time the starter (starter motor) be operated during each attempt to start a tractor?
30 seconds
A total of 478.5 feet of steel rod is used to construct a hay feeding rack and the rod weighs 0.658 pounds per foot of length. If the filler metal from welding adds an additional 2.8 pounds to the overall weight, what is the approximate total weight of the hay feeding rack?
318 pounds
A set of prints shows that a 24'-0" x 36'-0" aera must be excavated to a depth of 10'-0" for a basement. How many cubic yards of earth will be removed?
320 cu yd
What is 35 sq yd, 20 sq ft when converted to only square feet?
335 sq ft
A rectangular grain bin is 12 feet wide and 16 feet long. The grain bin is filled to a level depth of 4 feet and the grain averages 45 pounds per cubic foot.. How many pounds of grain are in the bin?
34,560 pounds
What percentage of solids can most irrigation systems handle when applying manure for fertilization purposes?
4% solids
Gable-roof greenhouses located above _____o N latitude should be oriented with the ridge line running east to west.
40
How many board feet are 15 pieces 1" x 4" lumbers that are 8 ft long (use nominal not actual measurements)?
40
A rod is commonly used to determine the acres of a field. A rod equals 16.5 feet. Assume you are measuring a 40 acre field. If this field is 1/2 mile long, how many rods wide is the field?
40 rods
Slab measuring 20' square."
400 sq ft
What is the pressure exerted on a piston head with a top surface area of 4.91 square inches during the combustion process that applies a total force of 2000 pounds? Note: (Pressure in Pounds per Square Inch) = (Force in Pounds) / (Area in Square Inches)
407.33 psi
7'-5" + 21'-6" + 13'=8" =
42'-7"
Levels most commonly used for masonry work are available in lengths from _____" to _____".
42; 48
4 yd, 5'-30"" x 7 ="
45 yd, 1'-6"
Information: 1 gallon water = 8.34 pounds 1 gallon = 231 cubic inches"
47 gallons
A worker installing blanket-and-batt insulation in a room that has 500 sq ft of wall area needs to find out the area of the room's walls without window openings. There are two windows in the room measuring 36" x 36" and 48" x 36". What is the actual area (in square feet) of insulation needed?
479 sq ft
How many square feed are in 11.0 acres? Note: 1 acre = 43,560 square feet
479,160 ft²
8 yd, 7'-29"" ÷ 2 = "
5 yd, 1'-8 1/2"
20' wide driveway sloped to one side at 1/4"" per foot."
5"
A right-triangle shaped concrete slab that is eight inches thick will be poured. The two shorter sides of the triangular concrete slab are 30 feet and 40 feet long. What is the length of the long side (hypotenuse) of the triangular slab? Note: (Length Side A)² x (Length Side B)² = (Length Side C)², C is the hypotenuse
50 feet
A pesticide label specifies that 2.5 pints of pesticide concentration, mixed with 30 gallons of water, are to be applied per acre. How many gallons of pesticide concentration are required to treat a 160-acre field? Note: 128 ounces = 1 gallon, 16 ounces = 1 pint
50 gallons
Three equally-sized pull-type scrapers are being operated with large tractors. Each scraper pan measures four feet deep, ten feet wide, and four feet long. If all three scraper pans can be filled (struck even) in eight minutes and it requires an average of 12 additional minutes to dump and restart the filling of each scraper, what is the approximate total capacity of the three scrapers in cubic yards per hour?
53.3 yd³/hr
How many gallons of water are found in two acre-inches of water? Note: 7.48 gal = 1 ft3
54,305 gallons
During an average year of operation, at what percent of maximum power will a farm tractor operate?
55 percent
What is 80,450 sq in. when converted to sq ft?
555 sq ft
The thickness of a wall is measured to be 0.5". What is the thickness of the wall in inches?
6"
75" = _____'-_____"
6'-3"
If a pump transfers liquid manure at a rate of 110 gallons per minute, how many gallons are pumped per hour? Note: 1 hour = 60 minutes
6,600 gallons/hour
Information: 50% = 0.5 8 hours exposure - (8 hours x 50% reduction) = 4 hours exposure"
6.0 hours
Rectangular structure measuring 8"" thick by 10' wide by 25' long."
6.2 cu yd
Water flows through 86 feet of pipeline that includes three 90 degree elbows. The water flow rate is 6.5 gallons per minute where the water exits the 86-foot pipeline. The pressure loss through the pipeline is equivalent to 6.2 vertical feet of head (pressure) loss per 100 feet of horizontal run. The head loss through each elbow is equivalent to that of 4.75 feet of additional horizontal length. Approximately, what is the vertical head (pressure) loss for this horizontal pipeline?
6.2 feet of head loss
A small utility vehicle utilizes a 12-volt electrical system to power two 37.5-Watt halogen headlights. How much electrical amperage is needed to power the two headlights? Note: Watts = Volts x Amps
6.25 amps
The grade figure on a benchmark is established as 100.00'. The finish floor, which is 48'-0" away, is given as 106.4'. What is the distance of the finish floor above the benchmark?
6.4'
The National Electric Manufacturers Association (NEMA) has classified electric arc welders primarily by duty cycle. What is the minimum duty cycle rating of a NEMA Class I machine?
60%
What duty cycle rating is required for a welding machine that will operate at its maximum rating for six minutes continually during a ten minute period?
60%
When performing FCAW operations, a water-cooled welding gun is required when welding at greater than _____ A.
600
Approximately how much time is required to move 750 round hay bales from a field is bale transport can be completed at an average hauling rate of 11.5 bales per hour? Note: 1 hour = 60 minutes
65 hours and 13 minutes
What is the approximate temperature of the arc in shielded metal arc welding?
6500-7000 degrees F
A temperature of 155oF is equal to _____oC.
68.33
What is the approximate effective field capacity (in acres per hour) of a 20-foot wide grain drill, traveling at 3.75 miles per hour, and operating with a field efficiency of 82 percent? Note: effective field capacity = [(width of implement in feet) x (speed in miles per hour) x (efficiency)]/8.25
7.45 acres per hour
In the initial curing stage, the temperature of the concrete should be maintained at approximately _____oF, and the concrete should be kept thoroughly moist for a minimum of five to seven days.
70
Studies have shown that up to _____% of total heating load within a structure is used to replace heat lost through doors and windows.
70
The theoretical field capacity (TFC) of a 14-foot wide self-propelled windrower is seven acres per hour. The windrower's effective field capacity (EFC) is actually 63.7 acres during 13 working hours. What is the field efficiency of the windrower? Note: EFC = (TFC) x (Efficiency)
70%
Grade 40 axle steel has an ultimate strength of ________ psi.
70,000
On a typical shielded metal arc welding E7018 electrode, the 70 indicates what value for tensile strength?
70,000 psi tensile strength
A metal gear weighs 32 kg. What is the gear's weight in lb?
70.4 lb
What is the approximate rotational speed, in revolutions per minute, that is appropriate to drill a 9/16 inch hole in mild steel? Note: Appropriate RPMs = (400 / Diameter of the Hole in Inches)
700 RPM
For effective control without causing harm, small animals such as pets require an electrical shock ranging from _____ V to _____ V.
700; 1000
After a four-stroke small gasoline engine has completed one full operating cycle, how many degrees has the crankshaft rotated? Note: 360 degrees = 1 rotation
720 degrees
How much rainwater can be collected from a catchment area of 3625 sq ft with a one-time measured rainfall of 0.32"?
723 gallons
What Wattage value is equivalent to one horsepower?
746 Watts
What angle should be maintained between the base metal and the electrode while welding in the flat (down-hand) position?
75-80 degrees with the direction of travel
Ground rods cannot be less than __________ feet in length.
8
Round corner or end posts used with agricultural fencing are normally about _____" in diameter.
8
What is the minimum length for a service entrance grounding rod that will be driven into the ground?
8 feet
A new structure measures 50 feet wide and 80 feet long. A minimum of one general purpose circuit is required for each 500 square feet of floor space. What is the minimum number of circuits that must be installed?
8 general purpose circuits
According to Article 547 of the National Electric Code, all electrical wiring cable in agricultural applications shall be secured within how many inches of exiting a box?
8 inches
What is the approximate compression ratio for the pistons of a gasoline engine?
8 to 1
What is the approximate speed, in miles per hour, of a fertilizer spreader that travels 300 feet in 25.6 seconds? Note: 5,280 ft = 1 mile; 3,600 seconds = 1 hour
8.0 miles per hour
A 10 horsepower single cylinder engine is operating at 5000 feet above sea level. What approximate horsepower is produced by the engine if the engine's power is decreased 2.5% for each 1000 feet of elevation about sea level?
8.75 horsepower
A self-propelled sprayer has a 90-foot effective swath width, travels at 10 miles per hour, and operates with a field efficiency of 73 percent. What is the approximate effective field capacity (EFC) of the sprayer in acres per hour? Note: EFC in acres per hour = (width of implement in feet x speed in miles per hour x efficiency) / 8.25
80 acres per hour
An 120-volt electrical circuit will include eight incandescent lighting fixtures, each having a maximum rated capacity of 1200 watts. What is the maximum load the circuit will carry? Note: Wattage = voltage x amperage
80 amps
The floor of a wooden structure can safely hold a maximum of 18 tons. If the average weight of wheat is 45 pounds per bushel, how many bushels of wheat can be stored on the floor of the wooden structure? Note: 1 ton = 2000 pounds
800 bushels
Information: 1 gallon = 128 ounces 24 hours = 1 day 60 minutes = 1 hour"
82 gallons per day
A field implement has an effective field capacity of 86 acres in an 8-hour day. What is the equipment's approximate field efficiency if the swath width is 16 feet and the average travel speed is 6.5 miles per hour? Note: Effective Field Capacity in acres/hour = (Field Efficiency in percent) x (Speed in miles/hour)x(Width in feet)
85 percent
The average farm tractor will convert about what percentage of PTO (power take-off) power to drawbar power?
86 percent
What percentage of engine power will the average farm tractor convert to PTO power?
86 percent
When mixing a pesticide according to the label directors, a minimum of 2 gallons of waster are to be applied per 1000 square feet of area sprayed. Approximately what is the minimum number of gallons of water required to treat one acre? Note: 1 acre = 43,560 square feet
87 gallons per acre
A home development company has been pushing you for several years to sell some of your farm ground. The price they have given you is based on a per square foot basis. How many square feet are in the N 1/2, NW 1/4, SW 1/4 of Section 30? Note: 1 acre = 43,560 square feet.
871,200 ft2
Fence posts are normally supplied in _____' and _____' lengths.
8; 10
For wind power systems to be feasible, wind speed must average between _____ mph and _____ mph.
8; 18
A Briggs & Stratton engine Model Number 92902 has a displacement of:
9 cubic inches
What is the engine horsepower required to drive a 5kW generator? Note: Required Horsepower = (kilowatts) x (1.34) / (0.70)
9.57 horsepower
Angles of _____o or less can be measured directly with the horizontal circle scale on a transit-level without any addition or subtraction.
90
Crosscut saws should be held at a _____o angle to the work surface to cut efficiently.
90
If hearing protection is not worn, what is the maximum acceptable sound level for a person who exposed to continuous noise for eight hours?
90 decibels
Information: oF = (9/5 oC) + 32 oC = 5/9 (oF - 32) Water freezes at 32 oF"
90 to 100 oF
At what angle should the electrode be held to realize the greatest advantage of the electromagnetic field surrounding the electrode?
90°
There are 118 elements, ________ of which are natural.
92
If a field has an area of 230 acres, what is the equivalent size in hectares? Note: 1 acre = 43,560 feet; 1 hectare = 10,000 square meters; 1 square foot = 0.0929 square meter
93.1 hectares
The oxygen in the fuel mixture used for oxyfuel cutting must be _____% pure.
99
What type of current is produced by a transformer?
AC
What type of current is produced by an inverter?
AC
________ voltage is voltage that reverses its direction of flow at regular intervals.
AC
Which of the following describes the microbial activity during composting?
Aerobic, oxygen requiring
________ fences are typically only used for providing a pleasing appearance and privacy.
Aesthetic
________ is the industry that encompasses the production of agricultural commodities.
Agriculture
________ pressure for a pneumatic framing nailer should be adjusted so that nail heads are driven flush with or slightly below the material surface.
Air
Adds microscopic air bubbles to concrete.
Air-entraining admixture
What is the chemical symbol for Aluminum?
Al
100 hours"
All of the answers listed
1200 hours"
All of the answers listed
400 hours"
All of the answers listed
50 hours"
All of the answers listed
600 hours"
All of the answers listed
Agricultural mechanics depend on basic ________ and time management skills to be successful on the job.
All of the answers listed
Agriculture commodities include ________ and countless plant and animal products.
All of the answers listed
An understanding of ________ is required prior to working with electrical equipment.
All of the answers listed
Drill bits are made of ________.
All of the answers listed
Factor(s) in the design of a weld joint that should be considered to ensure safety and efficiency include which of the following:
All of the answers listed
Grinders use the abrasive or cutting qualities of ________ or other materials bonded and formed into a wheel.
All of the answers listed
Grinding wheels (for surface or bench grinders) are classified according to the ________ used to join the grains.
All of the answers listed
Material handling is the ________ of a load by mechanical means.
All of the answers listed
Multiwire branch circuit shall
All of the answers listed
One year"
All of the answers listed
Portable power tools and equipment are powered by ________.
All of the answers listed
The appearance and strength of a bead are influenced by
All of the answers listed
The major function of a lathe is to change the ________ of a cylindrical, rotating workpiece by one cut or a series of cuts into the workpiece with an adjustable cutting tool.
All of the answers listed
The most common type(s) of resistance welding are ________.
All of the answers listed
The type(s) of filler metal transfer that can be used with the GMAW process are ________.
All of the answers listed
The welding process selected for a job is primarily determined by which of the following?
All of the answers listed
To start and sustain a fire, ________ must be present.
All of the answers listed
Troubleshooting charts are a common means to ________.
All of the answers listed
Two years or 2000 hours"
All of the answers listed
Typical example(s) of power ratings include:
All of the answers listed
Which of the following are item(s) of consideration when determining the application of a single-groove weld over a double-groove weld?
All of the answers listed
Which of the following is/are (a) component(s) specific to diesel engines and required for operation?
All of the answers listed
Which of the following is/are (a) method(s) in which voltage may be produced.
All of the answers listed
In electrical terminology, what is the meaning of the abbreviation AC?
Alternating Current
Electrodes are identified using the ________ classification system.
American Welding Society (AWS)
What type of bacteria does not require the presence of free or dissolved oxygen for metabolism?
Anaerobic
What type of biological treatment system is designed for the biodegradation of animal waste and does NOT use oxygen?
Anaerobic
Which one of the following costs is generally considered to vary with machine use?
Annual cost for labor
The shielding gases commonly used with GMAW and FCAW processes are
Argon or Carbon Monoxide
What is the chemical symbol for Gold?
Au
Class _____ fires include electrical equipment such as motors, appliances, wiring, fuse boxes, breaker panels and transformers.
C
Corrosion resistance"
C
The _____ factor applies to materials of any thickness that are not homogenous or that have air cavities, such as hollow concrete masonry units.
C
What is the chemical symbol for Carbon?
C
What is the chemical symbol for Calcium?
Ca
In two-stroke small gasoline engines, what opens and closes the reed valve, allowing the air and fuel mixture to enter the engine?
Change in crankcase pressure
Which of the following motor types is appropriate for a single phase, hard starting load such as an air compressor?
Capacitor start, induction run motor
What motor characteristics are common to a capacitor start, capacitor run electrical motor?
Capacitors to assist with the starting and running of the motor
________ is the force that distributes liquid filler metal between the surface of a joint that are close together.
Capillary action
________ steel is steel containing carbon and small amounts of other material.
Carbon
When wet grain ferments, what colorless and odorless gas is produced?
Carbon monoxide (CO)
What color fuel tank would minimize the vaporization of gasoline during the summer months?
Case IH white
________ is a resilient material made of latex, oil, asphalt, butyl rubber or silicone used to seal joints and cracks.
Caulking
________ is a mixture of shells, limestone, clay, silica, marble, shale, sand, bauxite and iron ore that is ground, blended, fused and crushed to a powder.
Cement
________ is a mixture of cement and water that acts as a bonding agent in concrete.
Cement paste
Which of the following are two types of fans used to force air through grain in a grain bin?
Centrifugal and axial
What is the name of the automatic plumbing valve that allows liquid to flow in only one direction, but prevents the liquid from draining back when the line is not pressurized?
Check valves with back flow protection
________ is a curing process in which curing is dependent on the molecular action between the coating and a hardener (curing compound).
Chemical cross-linking
Which of the following pest management techniques would be the most effective method for immediate control of a large-scale insect infestation, without damaging the crop?
Chemical pest control
________ is a material commonly used for potable water distribution, corrosive industrial fluid handling and fire suppression systems.
Chlorinated polyvinyl chloride (CPVC)
What is the chemical symbol for Chlorine?
Cl
A rotary threshing system includes what mechanical component?
Cleaning shoe
________ saw blades are used for both crosscut and ripping operations.
Combination
What property must metal have for the plasma arc cutting process to work effectively?
Conductivity
What is the name of the tillage system that leaves about one third of the soil covered with crop residue and includes no-till, strip-till, ridge0till, and mulch-till?
Conservation tillage
________ is the ability of concrete, in its plastic form, to flow as it is being placed into a form.
Consistency
________ is the combining of metals with elements in the surrounding environment that leads to the deterioration of a material.
Corrosion
What small engine component relieves the crankcase pressure created by the reciprocating motion of the piston during engine operation?
Crankcase Breather
In a four-stroke small gasoline engine, which engine components transfers the up and down or linear motion of the piston into rotary motion?
Crankshaft and connecting rod
What is the name of the farming practice where the annual crop grown alternates in a planned pattern?
Crop rotation
________ is the maintenance of the proper moisture content and temperature in concrete during its early stages to obtain specific properties.
Curing
________ is the process of maintaining proper concrete moisture content and temperature long enough to allow hydration of the concrete and development of the desired properties.
Curing
________ speed is the speed at which the cutting face of a grinding wheel travels and is measured in surface feet per minute (sfpm).
Cutting
________ contain pressurized gases and provide storage until the gases are used in the welding process.
Cylinders
When installing electrical circuits, which of the following would not help reduce voltage drop?
Decrease the voltage of the circuit
Which depreciation method and duration of life will result in the fastest decrease in the book value for agricultural machinery?
Declining balance depreciation for 5 years
Which depreciation method reduces the value of the depreciated item the greatest during the first year of ownership?
Declining balance method
Which of the following is the best option to reduce the off target movement of a liquid fertilizer being applied by a boom sprayer?
Decrease the height of the spray boom above the ground
Which one of the following will increase the average operating costs, on a per hour basis, for a tractor?
Decrease the total annual hours of operation
If other variables remain constant, which of the following adjustments to spray equipment will result in the greatest increase in application rate?
Decrease the travel speed 20 percent
________ testing involves taking sample portions of a welded structure and subjecting them to loads until they fail.
Destructive
Which of the following pesticide spray pumps delivers low volumes of 3 to 10 gallons per minute at low to moderate pressures, and will withstand abrasion for wettable powders because the pump values are the only metal components exposed to the pesticide solution?
Diaphragm
Which type of fuel is most efficiently converted into work by a tractor's engine?
Diesel
What tractor power train component allows each tractor drive wheel to rotate at a different speed and still propel its own load?
Differential
What tractor power train component directs power equally to both rear wheels to prevent the loss of traction that occurs when one wheel is slipping?
Differential lock
________ tools, such as picks and shovels, are used for tasks such as excavating trenches for concrete formwork.
Digging and Grading
What is the term used to designate lumber with a nominal thickness from two inches to four inches and a nominal width from two inches to sixteen inches?
Dimension lumber
________ is the flow of current from the electrode (-) to the work (+).
Direct current electrode negative (DCEN)
Modern portable 120-volt electrical power tools that have a two-prong plug (no grounding prong), have what safety feature to reduce the likelihood of electrical shock to operators?
Double insulation construction
If other variables remain constant, which of the following adjustments to spray application equipment will have the described effect?
Doubling the travel speed will reduce the application rate (gallons per acre) by one-half
If other variables remain constant, which of the following adjustments to spray application equipment will have the describe effect?
Doubling the travel speed will reduce the application rate by one half
When purchasing a tractor, the salesperson describes the amount of weight the unit can pull at a given speed. What kind of power is being described by the salesperson?
Drawbar horsepower
When purchasing a tractor, the salesperson describes the power as the amount of weight the unit can pull at a given speed. What kind of power is being described by the sales person?
Drawbar power
________ is the process of pulling a material through a die to shape the material to its final size and shape.
Drawing
Which of the following is the safest way to drive a loader up hill with a full bucket?
Drive forward straight up the hill
________ are used for permanent installation of materials or objects such as a sill plate fastened to a concrete slab.
Drive pins
During the plasma arc cutting process, what is the molten metal called that solidifies and adheres to the bottom edge of a cut?
Dross
________ is the most common type of damage caused by a fungus.
Dry rot
When working with metals, which would not be a method for identifying metals?
Ductility
If only one kind of electrode for all arc welding is to be purchased, the best choice is an
E6011
To reduce the risk of hydrogen cracking, which electrode would you select?
E7018
Which of the following shielded metal arc welding electrodes is designated as a low hydrogen electrode?
E7018
________ energy is the flow of electrons (subatomic elements) from atom to atom.
Electrical
________ energy is the typical energy source used to power a pump in irrigation, automotive or fluid power systems.
Electrical
________ is a physical occurrence involving electric charges and their effects when in motion and at rest.
Electricity
________ examination is effective in testing both ferrous and nonferrous materials for porosity, slag inclusions, internal cracks, external cracks and lack of fusion.
Electromagnetic
________ spray painting is a coating application method for metal surfaces in which the metal surface to be painted is grounded or given a negative charge and the coating is given a positive charge and atomized in specially designed equipment.
Electrostatic
Which of the following pesticide spray equipment produces a spray that is positively charged when it exits the nozzle?
Electrostatic sprayer
The American Petroleum Institute provides standards that indicate the performance level and quality of engine oil as indicated by the EOLCS program. What is the name of the program with the acronym EOLCS?
Engine Oil Licensing and Certification System
________ is the conversion of water into vapor.
Evaporation
Which process is best described as the cooling that occurs when heat from a compost pile is used to evaporate water?
Evaporative cooling
________ is the loss of water from the soil by evaporation and from plants and animals by transpiration.
Evapotranspiration
If the gear teeth on a combine drive system are scored, what is/are the likely cause(s) for this scoring?
Excessive gear speed
What is the name of the cleansing agent that is used to facilitate the removal of oxides, release trapped gases and slag, and chemically cleanse the metal during the welding, brazing, and/or soldering processes?
Flux
________ insulation is chemical foam that is poured or sprayed into wall cavities.
Foamed-in-place
________ is similar to spraying and produces a mist-like effect.
Fogging
What term describes the expanded foundation provided for posts on a post-frame building to prevent a support post from settling?
Footing
________ is anything that changes or tends to change the state of rest or motion of a body.
Force
________ is the resistance to movement between two mating surfaces.
Friction
________ is the lifting of a surface, such as concrete or pavement, as a result of freeze-thaw cycles occurring in the underlying soil.
Frost heave
Which of the following costs (a variable cost) is generally considered to vary with farm machine use?
Fuel
A two horsepower, single phase, dual voltage motor is operating at 115 volts and 24 amps when fully loaded. If the motor connections are rewired to operate at 230 volts and it is connected to a 230 volt power source, what will happen to the full-load amperage (FLA) of the motor?
Full load amperage will decrease from 24 amps to 12 amps
Which of the following is a recommended pest management technique?
Fumigate all grain before storage
What is the name of the metal joining process where two pieces of metal are heated to the point of melting and the melted metals flow together?
Fusion welding
Argon and helium are the shielding gases most commonly used in the ________ process.
GTAW
_________ are upright framing members that provide a nailing surface for siding and sheathing at the gable ends of the roof.
Gable studs
________ pipe is cleaned and dipped into a hot (870oF) molten zinc bath to create a protective coating.
Galvanized
Describe "adhesives."
Glues and mastics
________ is the process of lowering high spots and filling in low spots of earth to make the shape conform to the job requirements.
Grading
________ is the connection of all exposed non-current-carrying metal parts to the earth.
Grounding
________ is water within the earth that supplies wells and springs.
Groundwater
________ is the lowering of the groundwater surface level caused by pumping water from a well.
Groundwater drawdown
________ is the preliminary grading, excavating and backfilling of earth required at a job site.
Groundwork
What term describes a piece of wood or metal used to reinforce a wood joint?
Gusset
What is the chemical symbol for Hydrogen?
H
________ tools, including ratchet braces and hand drills, may be used on interior finish work.
Hand boring
________ welding uses a stream of compressed air or inert gas directed over the heated element, which then flows out of the nozzle and onto the surface of the material being bonded.
Handfeed
________ is the process of heating metal and then cooling it in oil, water or another cooling medium to bring the temperature down quickly.
Hardening
________ is the ability of a material to resist deformation by indentation.
Hardness
________ is the amount of fluid pressure between points at different elevations, such as in a column or vertical pipe.
Head
________ is a unit of power equal to 746 watts (W) or 33,000 ft-lb/min (550 ft-lb/sec).
Horsepower (HP)
________ welding is accomplished by either handfeed or high-speed welding techniques.
Hot gas
________ welding is accomplished with a specially designed gun containing an electrical heating unit. A stream of compressed air or inert gas (nitrogen) is directed over the heated element, which then flows out of the nozzle and onto the surface of the material being bonded.
Hot gas
If a pesticide is splashed in the eyes, what immediate first aid response is typically correct?
Immediately wash/flush eyes with clean water for 15 minutes or more
________ are used for a variety of applications, including installing and removing anchor bolt nuts, assembling metal building frames and panels and driving lag bolts or screws.
Impact wrenches
Which of the following is the most common error made by applicators when applying granular fertilizer with a towed spreader?
Improper overlap distance between passes resulting in under or over application
When calibrating a traditional boom sprayer, if a small increase or decrease in the application rate is required, what modification to the sprayer is appropriate?
Increase or decrease the nozzle operating pressure
When liquid pesticide is applied with a traditional boom sprayer, if all other variables remain constant, which of the following will result in a decreased chemical application rate?
Increase the travel speed of the sprayer
________ is the process of one substance passing or filtering through another substance.
Infiltration
For a Contained Animal Feeding Operation (CAFO), what alternative method is an approved method to limit runoff other than a holding pond?
Infiltration area
What is the effect on insect activity within stored grain when the grain is cooled to a temperature between 50 and 70 degrees F?
Insect reproduction decreases
Which of the following statements about a tractor-loader's center of gravity is true?
It changes as the position of the loader changes
If a worker falls into a large grain storage bin with flowing grain, how quickly would a worker become buried or covered in the grain?
It takes less than one minute
________ drying is usually used for higher grades of hardwood lumber used for finish work.
Kiln
Which of the following conditions will reduce the likelihood of pesticide drift?
Low spray pressure, low temperature, low wind speed, and high humidity
Which of the following is an indirect cost to the employer when there is a job related accident?
Lowered employee morale
________ is wood that has been cut to specific sizes for building purposes.
Lumber
Mortar can be classified as Type _____ and O.
M
Strength"
M
Type _____ mortar is commonly used for below-grade applications
M
________ is the ability of a material to be deformed by compressive forces without developing defects.
Malleability
Used to bond various materials directly to masonry or concrete walls; has a puttylike consistency.
Mastic
What is the name given to the printed safety information that must be kept on file for each hazardous material kept or used in a small engine shop?
Material Safety Data Sheet
Which of the following gasses is flammable and emitted from a livestock facility?
Methane
What is the chemical symbol for Magnesium?
Mg
Which of the following tools is used to measure the outside diameter of crankshaft surfaces in a small engine?
Micrometer
What is the most common type of steel used in the construction of agricultural buildings, fences, and gates?
Mild steel
________ is a highly viscous, flammable liquid obtained from petroleum distillation.
Mineral spirits
Under ideal conditions, which of the following primary tillage implements results in the best residue burial and superior soil pulverization?
Moldboard plow
________ and water are commonly mixed together and used after the mortar has set to remove any excess mortar from the face of the masonry.
Muriatic acid
Type _____ cable is a nonmetallic-sheathed cable with the conductors enclosed within a nonmetallic jacket used for dry interior wiring.
NM
________ is a means of using personal connections, such as contacts through professional organizations, colleagues, instructors, friends and acquaintances to locate possible employment opportunities.
Networking
On a receptacle, polarizing is accomplished by having one narrow slot longer than the other. What conductor goes to the terminal that is connected to the longer narrow slot?
Neutral
When there are three wires supplying power to the service entrance panel, if two wires are properly hooked up to the main breaker terminal lugs, to what is the third wire connected?
Neutral buss
What type of flame is used for most oxy-fuel welding procedures when welding on mild steel?
Neutral flame
The ________ is a federal agency that requires all employers to provide a safe environment for their employees.
Occupational Safety and Health Administration (OSHA)
The two most common Federal agencies that regulate construction site activities are the ________ and the Environmental Protection Agency (EPA).
Occupational Safety and Health Administration (OSHA)
________-sawn lumber is lumber that is cut in a manner that is radially perpendicular to the growth rings of a tree.
Rift
________ fencing is typically used where heavy concentrations of livestock are confined.
None of the answers listed
What is the name given to the tiny projections left on the bearing surface of a connecting rod from the machining process?
None of these
________ is an assembly of two or more insulated conductors with an outer sheathing of moisture-resistant, flame-retardant and nonmetallic material.
Nonmetallic-sheathed cable (NM and NMC)
Which of the following is the traditional method used to determine the size of a grain drill?
Number of furrow openers and the spacing between openers
Which of the following is used to determine the size of a row crop planter?
Number of rows and the spacing between the rows
What is the chemical symbol for Oxygen?
O
Which pipe measurement allows all standard threaded steel pipe, regardless of the pipe's classification or schedule, to fit standard pipe fittings?
O.D. (outside diameter)
_______ welding uses heat from the combustion of a mixture of oxygen and a fuel gas.
Oxyfuel
________ welding is a welding process that uses heat from the combustion of a mixture of oxygen and a fuel gas such as acetylene, methylacetylene-propadiene (MAPP), propane, natural gas, hydrogen or propylene.
Oxyfuel
________ is a group of cutting processes that use heat generated by an oxyfuel gas flame.
Oxyfuel cutting (OFC)
Coefficient of linear expansion"
P
Electrical conductivity"
P
Solubility"
P
What is the chemical symbol for Phosphorus?
P
________ law states that when a force is applied to a confined fluid, the force is felt throughout the fluid undiminished.
Pascal's
What is the chemical symbol for Lead?
Pb
Has moisture resistance and resistance to extreme temperature fluctuations; commonly used to bond the veneer layers of exterior grade plywood.
Phenolic resin
________ is solar energy technology that uses the unique properties of semiconductors to convert solar radiation directly into electricity.
Photovoltaics
________ rollers are used when applying heavy coatings such as nonskid floor coatings.
Plain core
________ is a superheated gas capable of conducting an electric arc and is typically considered the fourth state of matter because it does not have the exact properties of a solid, liquid or gas.
Plasma
________ welding uses a constricted arc between a nonconsumable tungsten electrode and the weld pool or between the electrode and constricting nozzle.
Plasma arc
________ is the depositing of water on the earth in any form, such as rain, snow, sleet, hail or mist.
Precipitation
Wood that will be placed in contact with the ground, or subjected to high moisture conditions, should receive what type of treatment to prevent decay and insect attack?
Preservative (pressure treatment)
________ energy is the ability to do work by applying pressure to a fluid.
Pressure
________ is the measure of force applied to a given unit of area.
Pressure
________ maintenance involves scheduled inspections of, adjustment to and repairs to equipment to verify that equipment is in proper working order.
Preventative
Describe "nail."
Primary type of wood fastener
What type of insurance gives a farmer protection against financial loss if a combine or tractor burns?
Property insurance
The flux coating on the electrode provides a gas shield to
Protect the molten metal
________ is the practice of reviewing construction contract documents to determine the quantities of materials to be included in a bid.
Quantity takeoff
________ examination is a method of examination that uses X rays or gamma rays to detect internal and external discontinuities in welds.
Radiographic
________ fences have fencing members that are not in tension, so they do not require fence braces.
Rail
________ fences may include a single strand of barbed wire or electric wire, depending on the type of livestock contained, to increase its effectiveness.
Rail
________ is water falling to the earth in the form of drops of condensed vapor from the atmosphere.
Rain
Stress cracks in grain corn kernels can be caused when high temperature grain drying is followed by which process?
Rapid cooling of the dried grain
________ is required in order to reference technical information, learn about changes in equipment and technology and gain the knowledge necessary to speak intelligently.
Reading
________ is steel bar containing lugs (protrusions) that allow it to interlock with concrete.
Rebar
What is the device inside the power supply of an AC/DC SMAW welding machine that changes AC to DC?
Rectifier
Which of the following colors are correct for oxygen and acetylene hoses?
Red for acetylene, green for oxygen
Which of the following colors are used to correctly identify oxygen and acetylene hoses?
Red for acetylene, green for oxygen
_________ are equipped with a working-pressure gauge, which shows the working, or line, pressure used at the torch.
Regulators
________ concrete is concrete that has had tensile members placed in it to increase its tensile strength.
Reinforced
________ welding joins weld parts by passing a high electric current through them.
Resistance
________ welding occurs from the heat created by resistance to the flow of current through the joined metals.
Resistance
________ is the opposition to current flow.
Resistance (R)
Has moisture resistance and resistance to extreme temperature fluctuations; creates a strong bond; frequently used for bonding the wood layers of glulam timbers.
Resorcinol resin
Delays the setting and hardening of concrete.
Retarder
What term identifies the highest point of a gable roof?
Ridge
________ type greenhouses should be oriented north to south.
Ridge-and-furrow
What is the name of the process during the placing and finishing of concrete that involved removing the excess concrete to bring the concrete surface even with the top of the form boards?
Screeding
________ is the separation of sand and cement from the coarse aggregate in a concrete mix.
Segregation
________ sprinkler systems can automatically move to expand the coverage area and were originally powered by the force of the pumped water.
Self-propelled
Which of the following is the proper name for the electrical conductors that travel from the power company's transformer to a residence?
Service drop
________ cable is cable that is used for service-entrance wiring or general interior wiring.
Service-entrance (SE)
Which of the following is a true statement with respect to groundwater and liquid chemical contamination?
Shallow groundwater is more susceptible to contamination than deeper groundwater
Which of the following is a true statement with respect to groundwater and pesticide contamination?
Shallow groundwater is more susceptible to contamination than deeper groundwater
________ are hand tools used to make straight cuts in light-gauge sheet metal.
Sheet-metal snips; tin snips
________ is used as a surface-preparation coat to obtain an even tone on porous or soft wood such as pine.
Shellac
Which of the following is another name for the Arc Welding process that uses flux-coated metal welding rods?
Shielded Metal Arc Welding (SMAW)
________ arc welding is a process that produces an arc between a consumable, coated electrode and the base metal, creating a weld pool.
Shielded metal
________ welding produces an arc between a consumable, coated electrode and the base metal, creating a weld pool.
Shielded metal arc
What is the proper name for the stick welding process?
Shielded metal arc welding (SMAW)
________ occurs when the body's vital functions are threatened by lack of blood or when the major organs and tissues do not receive enough oxygen.
Shock
________ transfer is metal transfer in which molten metal from a consumable electrode is deposited during repeated short circuits.
Short circuiting
________ powder-actuated tools are adequate for construction projects requiring less frequent use of the tool.
Single-shot
Which of the following quantities of lumber has the greatest number of board-feet?
Six boards measuring 2 inches by 12 inches by 10 feet
Which of the following professional groups provides a standardized method of testing engine output?
Society of Automotive Engineers
Oil viscosity grades are determined by:
Society of Automotive Engineers (SAE)
________ is the wearing away of the soil surface through physical removal caused by water or wind.
Soil erosion
________ is the primary method of making joints in electrical and electronic circuits.
Soldering (S)
________ welding is accomplished when a solvent is applied that can temporarily dissolve plastic, allowing two plastic surfaces to bond to one another. When this occurs, the polymer chains are free to move in the liquid and can mingle with other similarly dissolved chains. Given sufficient time, the solvent will permeate through the polymer and out into the environment, so the chains lose their mobility. This leaves a solid mass of entangled polymer chains, which constitutes a ________ weld.
Solvent
________ energy is transmitted vibration that can be sensed by the human ear.
Sound
________ energy is stored energy ready to be used.
Static
________ compaction is soil compaction that uses weight from a heavy machine to squeeze soil particles together without vibratory influence.
Static force
________ posts are used if wood is not readily available or feasible, such as with installations on concrete or with chain-link fencing.
Steel pipe
________ are used in wind energy systems to reduce the generator AC output voltage to the low voltage level required by many of the system control and monitoring devices.
Step-down transformers
What is a common name for the shielded metal arc welding process?
Stick welding
________ wood fences have closely spaced, vertical planks that provide a significant level of privacy and security.
Stockade and Board-on-Board
________ is a material used to outline areas that are not to be brazed.
Stopoff
________ irrigation systems are used in areas with a high water table or where drainage is needed during parts of the year to remove excess groundwater.
Subsurface
Because higher temperatures improve manure decomposition, anaerobic lagoons work best during what season of the year?
Summer
________ is the process of measuring land by recording elevations, directions and lengths of property lines and sizes of structures.
Surveying
White wires used as a ungrounded conductor must be
Taped or painted black
________ is the process of machining threads in a hole.
Tapping
Which of the following is a fixed cost?
Taxes on land and buildings
Which of the following implements is used to fluff up and spread out forage for faster drying?
Tedder
What are the stresses commonly evaluated in the design of agricultural structures?
Tension and compression
When troubleshooting a problem with a small gasoline engine, which of these choices list the three components of the engine's operating system that should be checked?
That the cylinder is getting fuel, that the spark plug will spark, and that the cylinder will create compression
If three light bulbs, one of 100 Watts, one of 200 Watts, and one of 300 Watts, are connected in series to 115 volts, which of the following is true?
The 100 Watt light is brightest
What does the Octane rating of gasoline indicate?
The ability of the engine to prevent engine knock
What does the third digit in the electrode identification designation E6011 indicate?
The electrode can be used to weld in all positions
Which of the following phrases describes the effective capacity of an agricultural machine?
The maximum possible capacity obtainable, less the loss to inefficiency
If I have a hydraulic system on an off-highway vehicle and it has foaming hydraulic fluid, what is most likely the problem?
The hydraulic pump is going bad
A mechanical magnetic relay is used to control a 120-volt motor. A low voltage control, operating at 12 volts, controls the relay's magnetic coil. Which of the following statements is correct?
The relay contacts carry the motor amperage and low voltage passes through the coil
What is the part of the coil that is made of several thousand turns of fine gage wire?
The secondary circuit
What problem will occur if a grain drill is operated with an under inflated metering drive wheel?
The seeding rate will increase
A John Deere utility tractor has been re-equipped with low profile tires (smaller diameter than the factory equipped tires) for orchard use. How will the smaller diameter tires change the relative ground speeds listed in the operator's manual for specific RPMs and gear settings? Assume both tire sizes are properly inflated.
The speeds listed in the manual will be faster than the actual tractor speed
________ insulation is a material with a high thermal resistance and that limits the transfer of heat.
Thermal
_________ energy is the addition of heat to make a particle or molecule move faster or the dissipation of heat to make a particle or molecule move slower.
Thermal
________ is the change in volume of a material in relation to temperature.
Thermal expansion
Automatic electrical controls sensing environmental variables, changes in conditions, and changes in locations are used to operated electrical equipment. Which of the following are all automatic electrical controls?
Thermostat, humidistat, and smoke detector
Which type of electrical cable is appropriate to use in a branch circuit in a barn housing livestock?
UF cable
The NRCS and the ________ can provide recommendations for the installation of fences around bodies of water.
USDA Cooperative Extension System
________ examination is a method of examination that uses ultrasonic waves to determine various attributes of a material.
Ultrasonic
Which of the following will cause an increase in planting rate (seeds/acre) for a row crop planter that uses a ground-driven metering system?
Under inflation of the planter's drive wheel tires
Which one of the following phrases correctly describes the "hot" conductor with black insulation in a 120-volt electrical circuit?
Ungrounded conductor
The ________ is a government agency that provides detailed soil classification and soil type maps to support agriculture.
United States Department of Agriculture National Resources Conservation Service (USDA NRCS)
Which of the following motor types is most often used for a 120-volt portable single phase, electric drill?
Universal
________ is when a pump runs against little or no pressure.
Unloading
_________ welding is a resistance welding process that produces a weld on the mating surfaces of parts using the heat obtained from resistance to the flow of current through the surface contact areas while they are under pressure.
Upset
________ resin is a type of plastic resin glue that is available in a powder form.
Urea
What type of belt is the most common means of driving light loads using pulleys for farm machines?
V
A ________ router bit is used to cut a 45o mortise into a wood workpiece.
V-groove
_________ examination is the use of the naked eye, assisted as necessary by low-power magnification and measuring devices, to monitor weld quality.
Visual
What electrical measurement should always be the same for exterior lighting on a farm tractor?
Voltage
What is the unit of measure for electrical pressure that relates to current flow through a given resistance?
Voltage
What is the unit of measure for electrical pressure that relates to current flow through a given resistance? It can be measured with or without an electrical load operating.
Volts
If a hydraulic system on an off-highway vehicle has foaming hydraulic oil, what is most likely the problem?
Water is in the hydraulic oil
________ is heavy-gauge wire joined in a grid and used to reinforce and increase the tensile strength of concrete.
Welded wire reinforcement
When storing large round bales outside, the site should have which of the following characteristics?
Well drained
Which of the following results in feed problems from the hopper to the spinner of a fertilizer spreader?
Wet or damp fertilizer granules
The determination of the maximum allowable storage days for grain is based on what value?
Wettest grain in the bin
Which one of the following is an appropriate situation to use a manually adjustable rollover protective structure (ROPS) in the down (non-protective) position?
When used in an orchard or inside a building where the overhead clearance is limited
Which of the following is correct regarding foundations for wooden frame construction?
Wooden frame buildings are typically built on slab, crawl space, and basement foundations
________ are used when the ground does not allow sufficient penetration for a standard fence post.
X-posts
In addition to stand-ability and disease resistance, what other characteristic should be considered in the selection of a wheat variety for planting?
Yield potential
Hydroponic structures are designed for the hydroponic growing of crops and typically include ________ and ventilation units.
all of the answers listed
Masonry units are commonly used in conjunction with other construction materials such as ________.
all of the answers listed
Precision farming with GPS/GIS based systems is used for ________, seed rate applications, fertilizer spreading and harvest yield mapping.
all of the answers listed
A/An ________ coating is a coating packaged in a pressurized can with a nozzle designed to atomize the coating.
aerosol
A distinct feature of a thread is the ________.
all of the answers listed
A/An ________ is a formal approval legally required by local or state building authorities for initiating new construction and major renovations.
building permit
A/An ________ joint is a weld joint in which two parts are set approximately level to each other and positioned edge to edge.
butt
A ________ valve is a valve used to control fluid flow using a rotating disk that seats against a resilient material within the valve body.
butterfly
A/An ________ valve is used to prevent the backflow of sewage into a building.
backwater
In a service entrance panel, the 120-volt circuits should be planned and installed so that the total load on each of the two 120-volt ungrounded (hot) service conductors is approximately equal. What is the term that can best be used to refer tot his condition?
balanced load
A ________ clamp consists of a web belt that can be adjusted in length using a crank-type or ratchet-type handle.
band
A ________ saw column encloses the return route for a saw blade and serves as a mounting point for machine controls.
band
A/An ________ is a DC voltage source that converts chemical energy to electrical energy.
battery
A ________ is a machine component used to reduce friction and maintain clearance between stationary and moving parts.
bearing
A/An ________ joint is a horizontal joint upon which bricks rest.
bed
A/An ________ is a valve with hose threads and is installed on a tank, such as a water heater, to drain and/or flush the tank.
boiler drain
A/An ________ is the arrangement of masonry units in a wall created by overlapping the units to provide a sturdy structure.
bond
With ________ irrigation, water is applied to a level area enclosed by some type of earthen border, which may be permanent or temporary.
border strip
Technical information about each type of insulation is expressed using letters that represent certain factors, including ________.
conductivity (K)
A/An ________ is material that has very little resistance and permits electrons to move through it easily.
conductor
SMAW cutting of galvanized metal should be avoided because it
can result in zinc poisoning.
Type NM cable
cannot be used as service entrance cable
A/An ________ is a group of similar occupations and industries developed by the U.S. Department of Education as a method to organize career planning.
career cluster
A/An ________ is a direct statement expressing the type of employment goal being sought.
career objective
A ________ supports the cross slide, compound slide, tool post and cutting tool on a lathe.
carriage
A ________ is a snap-in electrical safety device.
cartridge fuse
Farmer A writes a check to Farmer B so that Farmer A's cattle can graze on Farmer B's pasture. This is an example of a ________ lease.
cash
A/An ________ is a device installed at an opening in a fence without a gate and allows easy vehicle access but prevents cattle from entering a specific area.
cattle guard
A/An ________ is a vertical masonry structure in which the facing and backing wythes are separated by a 2" minimum void.
cavity wall
Hydration is a chemical reaction between ________ and water that bonds molecules, resulting in hardening of the mixture.
cement
A/An ________ coating is a type of coating that contains a mix of portland cement and polymer for use as a coating and sealer on masonry surfaces.
cement-based
A/An ________ test is a test used to determine the suitability of concrete for holding a powder-actuated fastener.
center point
A/An ________ is struck with a hammer to mark holes to be drilled in hardwood or metal.
center punch
A/An ________ pump is a type of pump that draws fluid into the center of a rapidly spinning impeller and discharges it using pressure created by centrifugal force created by the impeller.
centrifugal
A ________ is a fastening tool used to hold or secure workpieces together to prevent movement or separation.
clamp
A/An ________ square is a 12" metal rule with a sliding head.
combination
The ________ effect is created by wood-, oil- or natural-gas-burning appliances that require makeup air to support combustion.
combustion-and-ventilation
A/An ________ nail has a smooth cylindrical shaft and a flat head.
common
A/An ________ is a ring made of segments that are insulated from one another.
commutator
An example of potential energy is (a) ________.
compressed spring
At the bottom of the intake stroke, the crankshaft moves across the bottom of its swing causing the piston to move upward squeezing the air/fuel mixture against the head. This stroke is known as the _______ stroke.
compression
Welding against ________ can weaken the ________ due to overheating and cause trapped gas and moisture to expand, resulting in an explosion, possible injury to the welder and damage to the ________.
concrete
A/An ________ is a space large enough and configured so a person can enter and perform assigned work, has limited or restricted means for entry and exit and is not designed for continuous occupancy.
confined space
A/An ________ is an engine component that transfers motion from the piston to the crankshaft and functions as a lever arm.
connecting rod
A ________ is the conducting part of a switch or relay that operates with another conducting part to make or break a circuit.
contact
A ________ is a control device that uses a small control current to energize or deenergize the load connected to it.
contactor
In the GMAW welding process, the "consumable" electrode is in the form of a :
continuous wire
A type of concrete joint is a ________ joint.
control
A/An ________ is a device used to open and close contacts that control current flow to a load.
control element
A/An ________ joint is a groove made in a horizontal or vertical concrete surface to create a weakened plane and control the location of cracking.
control or relief
A/An ________ valve is a valve designed to control fluid flow rate by partially opening or closing.
control or throttling
A print ________ is an agreed-upon method of displaying information on a print.
convention
A ________ is an electronic device that changes AC voltage to DC voltage.
converter
A/An ________ is an engine component that consists of a cylinder bore, cooling fins and valve train components, depending on engine design.
cylinder block
A/An ________ is a cast aluminum alloy or cast iron engine component that seals the upper end of the cylinder.
cylinder head
A/An ________ drawing shows how the individual parts of an object work together.
detail
A/An ________ belt variable-speed drive is a mechanical drive system that uses one or two split-half adjustable pulleys and an adjusting mechanism to change output speed.
enclosed
Earth science and ________ science explain how natural resources can be used effectively and not wastefully.
environmental
Coatings that are formulated with ________ tend to fade and become chalky when exposed to sunlight.
epoxy
The most common type of ________ coating systems are two-part systems where the resin and hardener are mixed together just prior to application.
epoxy
A/An ________ ground is a circuit designed to protect individual components connected to an electrical system.
equipment
On a 4-stroke cycle engine, there is a power stroke during
every other revolution of the crankshaft
A/An ________ is an adjustable-height ladder with a fixed bed section and sliding, lockable fly sections.
extension ladder
The valve ________ is the machined surface of a valve that mates with the valve seat to seal the combustion chamber.
face
A/An ________ plan is a scale drawing in a plan view format of existing and future farm facilities as planned by the owner of the business.
farmstead
A/An ________ is a component used for fixing the relative positions of parts in an assembly.
fastener
A/An ________ is a circuit conductor between the service equipment and the last branch-circuit OCPD.
feeder conductor
A/An ________ is a barrier intended to mark or prevent the incursion into or escape out of a boundary.
fence
A ________ is a pair of fence posts with cross bracing and brace wire for tension that is used to transfer the tension force on the fencing material to the ground.
fence brace
A/An ________ metal is a metal that has iron as the primary alloying element.
ferrous
A/An ________ ratio is the fiber length divided by its diameter.
fiber aspect
A/An ________ is an abrasive hand tool with single or double rows of fine teeth cut into the surface for use on metal workpieces.
file
A 2F weld is a ________.
fillet weld in the horizontal position
A ________ nail is a nail with a smooth shank and a small barrel-shaped head.
finish
When the finished wall surface is made of a combustible material, the front edge of the device box must be mounted flush with the:
finished wall surface
A/An ________ is the drainage pipe that extends from the trap of a fixture to the junction of the next drainage pipe.
fixture drain
A ________ liquid is a liquid that has a flash point below 100oF (38oC).
flammable
The tip of a ________ screwdriver fits into a single slot on a screw head.
flat head
Which of the following are accepted welding positions?
flat, horizontal, vertical, overhead
A ________ is a hand tool with a flat or slightly rounded plate that is used to smooth the surface of fresh concrete before it is troweled.
float
A/An ________ is a translucent, glass-enclosed or plastic-enclosed structure with temperature and humidity control used for the purpose of admitting natural light for supporting plant growth.
greenhouse
A/An ________ wind energy system is a wind energy system that is connected to an electric utility distribution system (grid).
grid-connected
A/An ________ clamp is a woodworking clamp consisting of two wooden jaws connected by two parallel threaded rods with handles.
handscrew
The ________ of a material is its resistance to deformation (permanent deformation), indentation or scratching.
hardness
A farmer has determined that his combine field loss is between 1-4 percent. The farmer should
harvest, this loss is acceptable
A/An ________ is a multiple-lockout/tagout device.
hasp
Common types of ________ include the wallboard and shingling.
hatchets
A band saw ________ houses the upper band wheel, which can be adjusted for saw band alignment.
head
A/An ________ joint is a vertical joint that joins bricks at their ends.
head
A ________ is a brick laid flat and perpendicular to the face of a wall.
header
Which type of corn harvesting loss is generally the highest?
header ear loss
A/An ________ hazard is the likelihood of a material to cause, either directly or indirectly, temporary or permanent injury or incapacitation due to acute exposure by contact, inhalation or ingestion.
health
A/An ________ is a device that transfers heat between two fluids that are physically separated.
heat exchanger
The symptoms of ________ include excessive fatigue, dizziness, disorientation and skin with a normal temperature but a damp and clammy feeling.
heat exhaustion
In the ________ welding process, heat for welding is generated in a hot tool and transferred directly from the tip to the weld zone.
heated-tool or heated surface
A ________ gear is a gear with two rows of helical teeth.
herringbone
A/An ________ is a unit of frequency equal to one cycle/sec.
hertz
A/An ________ wire is a fencing wire with high tensile strength made of high carbon steel.
high tensile
A/An ________ spray paint system is a spray paint system that sprays coatings at reduced velocity for increased transfer efficiency.
high-volume, low-pressure (HVLP)
A ________ is a designed crack in concrete used primarily to allow free movement of the slab, reduce stress and reduce cracking.
joint
A ________ is a removable part that provides a means of transmitting torque between a shaft and a hub when mounted in a keyseat.
key
A/An ________ is a void or groove in a member specifically designed to accept a corresponding projection from another member.
key
A cylinder _________ test is a test that checks the sealing capability of compression components of a small engine using compressed air.
leakdown
A/An ________ is a simple machine that consists of a rigid bar that pivots on a fulcrum (pivot point) with both resistance and effort applied.
lever
A/An ________ is a diode that emits light when forward direct current is applied.
light-emitting diode (LED)
Some ________ steel framing members have a dimpled surface applied during manufacturing.
light-gauge
"Steel-for-stick" construction is also known as ________ construction.
light-gauge steel
A ________ is used for skinning and scraping insulation off large gauge conductors and cables.
lineman's knife
When properly applied, ________ examination is a reliable method for detecting discontinuities open to the surface of a workpiece.
liquid penetrant
A/An ________ engine circulates coolant through cavities in the cylinder block and cylinder head to maintain the desired engine temperature.
liquid-cooled
Sows in a farrowing house would be considered a ________ floor load from a building design standpoint
live
A/An ________ joint is a continuous vertical or horizontal joint in a masonry wall that is made without mortar or other nonresilient materials and used to accommodate the expansion and contraction of the wall system.
movement
A ________ is a housing in a wind energy system that includes the gearbox, generator, power converter, electrical controls, brakes and other devices required to convert rotating mechanical force into electricity.
nacelle
A/An ________ edger can be used after concrete has set sufficiently to perform final edging.
narrow-radius
Concrete attains about 85% of its strength after _____ days.
none of the answers listed
Some of the most commonly used metal connectors are ________.
none of the answers listed
________ speed is the speed that a point on the outer edge of the cutting tool travels in a specific amount of time.
none of the answers listed
A/An ________ is a globe valve in which the valve seat diameter is less than the stated size of the valve.
nonrated globe valve or compression stop
A/An ________ gate valve is a gate valve in which the handwheel and the stem do not rise when the valve is opened.
nonrising stem, inside screw
A/An ________ fastener is a devicve that joins or fastens parts together without threads.
nonthreaded
A/An ________ is a piece of metal or other hard material that is female threaded to receive a bolt or other male-threaded device.
nut
A dust cap to protect the ________ of a telescope when it is not in use is usually included with the instrument.
objective lens
A/An ________ link is a chain link that is used to shorten or lengthen a chain and to connect two ends of a chain.
offset
A/An ________ is a unit of measure that represents electrical resistance.
ohm (Ω)
Threads are always assumed to be ________ unless otherwise specified.
right-hand
If conduit is used in wiring a confinement livestock building, the NEC indicates that ________ should be used
rigid non-metallic conduit (RNMC)
Roof pitch is a ratio of
rise over span
A/An ________ is a cylindrical metal pin with a preformed head.
rivet
A/An ________ is a fabric-covered cylinder that is attached to a handle with a rotating head and is used for painting.
roller
A/An ________ is an exterior top covering of a structure.
roof
A/An ________ is the surface on a fastener that joins the flanks and is identical in position with, or immediately adjacent to, the cylinder from which the thread projects.
root
The ________ is the portion of the groove face within the root opening.
root face
When welding, one bead or layer of filler metal is called a pass. What is the name given to the first and most important pass in the weld?
root pass
A/An ________ is a concise document listing the education, professional experience and related interests of a job applicant.
résumé
A/An ________ should be brief, factual and accurate and outine the work experience, skills and accomplishments that relate to the position being sought.
résumé
A/An ________ diagram is a drawing that shows electrical system circuitry using symbols that depict electrical devices and lines that represent conductors.
schematic
A/An ________ is an electronic device that has electrical conductivity between that of a conductor (high conductivity) and that of an insulator (low conductivity).
semiconductor
The line from the power supplier's transformer to your electric meter is known as the
service drop
A/An ________ roof is easy to construct and popular for many low-cost agricultural buildings, such as buildings used for animal shelter and machinery storage.
shed
A/An ________ drill bit is a drill bit used to bore deep holes in wood up to 1" in diameter.
ship auger
A/An ________ motor is a motor that operates at only one voltage level.
single-voltage
A/An ________ square is a hand tool with a graduated blade attached at 90o to the handle and is used to measure, lay out and verify the squareness of members.
try
A/An ________ is a diesel engine component that improves engine performance through the introduction of additional air into the intake system in order to improve the volumetric efficiency of the engine.
turbocharger
A ________ is a component that takes in air and pressurizes it to a valve above ambient atmospheric pressure.
turbocharger compressor wheel
A ________ drill bit is a general purpose drill bit used to drill holes up to 1" in diameter in wood or light gauge metal.
twist
The innermost valence shell of an atom can hold ________ electron(s).
two
Along with a résumé, many employers also require ________ professional reference(s).
two to five
A/An ________ engine is an internal combustion engine that utiizes two distinct piston strokes (intake/compression and power/exhaust) to complete one operating cycle.
two-stroke cycle
A/An ________ fuse is a screw-in type electrical safety device with all the operating characteristics of a time-delay plug fuse, plus the advantage of being tamperproof.
type S plug
In ________ examination, a high-frequency sound beam is directed into a part on a predictable path.
ultrasonic
A/An ________ prevents damage to the insulation material from the moisture that collects inside a wall.
vapor barrier
A/An ________ is a two-component pretreatment primer for use on properly prepared steel, aluminum and galvanized metal.
vinyl butyral pretreatment
A/An ________ is a portable or stationary clamping device used to hold work firmly in place.
vise
The pressure at which electricity is transmitted through a conductor is called
voltage
A/An ________ is a small metallic disc with a hole in its center.
washer
A subgrade should be dampened to prevent the rapid loss of ________ from the freshly placed concrete.
water
A/An ________ pump is an engine component that moves coolant through passages of a liquid cooling system.
water
A/An ________-based coating is a coating in which water is the main solvent.
water
Which of the following must be present in the soil for seed germination?
water
The _________ is the sequence of conditions that water passes through, starting as vapor in the atmosphere, then becoming precipitation, and then returning to the atmosphere as a result of evaporation and transpiration.
water cycle or hydrological cycle
A/An ________ pipe is a pipe that conveys water from a water service pipe to the point of use.
water distribution
A ________ is piping that conveys potable water for public or community use from a municipal water supply source or a well.
water main
The ratio of pounds of water to pounds of cement per unit of concrete is the ________ ratio.
water-cement
The _________ is the junction of the base metal and the weld face.
weld toe
A/An ________ is a consumable or nonconsumable component of a welding circuit that conducts current to the arc, molten slag or base metal.
welding electrode
A/An ________ is a tool that mixes gas in the correct proportions and permits the mixture to flow to a tip where it is burned.
welding torch
A/An ________ point is a natural physical feature, such as a tree, that is marked and recorded in the original survey notes with a measured distance and direction to the section corner.
witness
The ________ angle is the angle formed between the electrode and the part measured perpendicular to the direction of travel.
work
Common types of ________ include combination, socket, adjustable, hex key (Allen) and pipe.
wrenches
It costs $3.45 per acre per year to have a crop service scout for insect pests. What will be the approximate yearly charge to scout a field measuring 1199 feet wide and 2399 feet long? Note: 1 acre = 43,560 square feet.
$227.81 per year
A spray boom travels at 6 miles per hour, has a 48-foot effective swath width, has spray nozzles that are spaced on 20-inch centers, and each nozzle delivers 0.4 gallons per minute. What is the approximate application rate of the sprayer in gallons per acre? Note: Gallons per Minute = [(Gallons/Acre) x (Miles/Hour) x (Nozzle Spacing in Inches)] / 5940
20 gallons per acre
A differential double-acting hydraulic cylinder on a tractor-loader has a bore of 3 inches and a stroke of 36 inches. The tractor's hydraulic system produces a maximum pressure of 2,900 pounds per square inch. What is the approximate maximum force, in pounds, that the cylinder can exert on extension? Note: Force = Pressure x Area, Area of Circle = (π) x (diameter/2)²
20,500 lb
If the corn seeds are evenly spaced within 30-inch rows and the seeds are planted every seven inches, what is the approximate seeding rate (seeds per acre) of the planter? Note: 1 ft = 12 inches and 1 acre = 43,560 square feet
29,870 seeds per acre
A 24 inch wide conveyor belt operates at 18 feet per minute and transports 144 forty-pound cartons of agricultural chemical in 1 hour and 45 minutes. What is the approximate capacity of the conveyor belt in pounds per hour? Note: 1 hour = 60 minutes, 1 ft = 12 inches
3,291.4 pounds per hour
Flat fan spray tips with an 80 degree spray angle will typically have what percent spray overlap to ensure uniform spray application?
30 percent
What is the approximate speed, in miles per hour, of a sprayer that travels 300 feet in 25.6 seconds? Note: 5,280 ft = 1 mile, 3600 seconds = 1 hour
8 miles per hour
What pump type develops high volume outputs, but rather low pressures for pesticide spray applications?
Centrifugal pump
When spraying wettable powder pesticides, which nozzle tip is most appropriate?
Ceramic
Which of the following spray tip materials typically provides the longest wear life for pesticide applications?
Ceramic
If a diesel engine is producing blue-colored smoke, what is the most likely cause?
Combustion of engine oil
Question
Correct Answer
In order to determine the drawbar power output of a tractor, what must be measured?
Drawbar pull & travel speed
Cone-shaped large round bales result from which of the following conditions?
Feeding too much hay into one side of the baler
Which of the following components gives the final reduction in speed and increase in torque in a tractor power train?
Final drives
Which of the following is a typical operational (variable) cost associated with owning crop spraying machinery?
Fuel and oil costs to run machinery
Which of the following causes a knock in a diesel engine?
Fuel igniting too slowly
Which hydraulic system component converts mechanical energy into hydraulic energy?
Hydraulic pump
When pesticide is applied with a traditional boom sprayer, if all other variables remain constant, which of the following will result in a decreased chemical application rate?
Increase the travel speed of the sprayer
When calibrating a traditional boom sprayer, if a large increase or decrease in the application rate is required, what modification to the sprayer is appropriate?
Install nozzles with larger or smaller flow rates
A pesticide spray nozzle has an operating range from 10 to 100 pounds per square inch (psi). When the operating nozzle pressure is increased from 10 psi to 40 psi, how is the output flow changed?
Output is doubled
Which of the following is an example of a variable cost for a small grain hauler that is hiring full time workers?
Overtime pay for hired labor
Which of the following is a biologically active substance designed to interact with living organisms by either altering their makeup or killing them?
Pesticide
Which of the following pumps provides the highest pressure for pesticide spray applications?
Piston pump
Which of the following would be a direct cost to the employer when there is a job related accident?
Property damage
Which of the following is an example of a fixed cost for an aerial crop spraying company that has full time workers?
Property tax on the firm's property
What should be done to correct the operation of a tractor with zero percent wheel slippage?
Reduce tractor ballast
If the measured tractor wheel slippage is zero, what adjustment can increase wheel slippage?
Remove the ballast from the tractor
Which type of drive chain should be used for a grain handing application where heavy loads must be moved at low speeds?
Roller
Which of the following would be considered a fuel conservation technique?
Shifting to a higher gear and "throttling" down under light load
Why do most tractor manufacturers suggest refueling at the end of the day?
To prevent moisture accumulation in the fuel tank
The theoretical field capacity of a machine such as a windrower or forage harvester is a function of which two factors?
Travel speed and working width
When is it wisest to consider owning a piece of equipment as opposed to leasing or renting that equipment?
When the equipment will have a high annual use and the required capital for purchase is available
