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Which two levers control the dump box?

PTO control and Bed Control valve

What is the purpose of lubricating tools and machines?

Reduce the amount of friction or resistance between two surfaces when one slides against the other

While providing the same amount of protection as the old B-1 metal revetments, which is a major advantage the expandable type has over it?

Reduced shipping weight

When hauling, why is it desirable to keep the scraper bowl as close to the ground as possible?

Reduces the change of upsetting or bouncing equipment

What is the correct way to wind wire rope onto the crane drum?

Reel rotating in same direction as hoist

Why must you exercise extreme care when removing some of the teeth from the scarifier assembly?

Remaining teeth carry entire load of operation. Greatly increases danger of breakage

If dozer track is too tight, how do you loosen it?

Remove plug at front of the track adjuster, loosen the valve in the track adjuster to let grease out, and drive machine forward and backward several times.

What can you do to lessen the weight on the dipper stick when lifting materials?

Remove the bucket

What should you do if only one belt out of a set of four breaks?

Replace all the belts

What can be constructed to collect and store storm water runoff?

Retention ponds

How do you remove a tree that you can not push over?

Side cuts to the roots

Where is the ideal place for the dozers to be downloaded?

Side of the crater closest to the minimum operating strip (MOS) edge

When hauling a dozer with a blade wider than the trailer, what should you do?

Sign on back that says DANGER WIDE LOAD or OVERSIZE LOAD. Tie red flags and get a police escort if possible

What does the rated capacity of any sling depend upon?

Size, configuration, angles formed by legs, horizontal

On a construction drawing, how is an object line identified, and what does it show the reader?

A heavy, unbroken line that shows the visible outline or edges that a person looking at the house, building, sidewalk, or pavement would see

Snow fences used on most bases are made of what type of material?

A high-density polymer, usually available in 4-ft x 100 ft orange-colored rolls

How is preventative maintenance defined?

A schedule of planned maintenance actions aimed at the prevention of breakdowns and failures.

What is a sieve?

A screen attached across the end of a cylindrical metal frame. As the sieves are shaken. the screen lets particles smaller than its openings fall through while it holds larger particles.

If a press is not available, what should you use to install bearings?

A sleeve or pipe

What can you use to clean a torch tip orifice, and what must you avoid while cleaning the orifice?

A soft wire or drill-type tip cleaner; enlarging the orifice

When operating a piece of equipment in a hazardous area, what may you use to help you maneuver it?

A spotter

What are some of the disadvantages when filling the tank with a fire hose connected to a fire hydrant?

Slower pressure may cause the hose to come out of the tank and possibly hitting someone and the opening valve nut on the hydrant can be rounded off by use of incorrect wrench size

What is the placement of an advance warning sign based on?

The speed of traffic

Why should you not use a line level with over 25 feet of cord?

The weight of the line level causes the cord to slack and you will get an inaccurate elevation reading

Why is shading used in drawings?

To show the type of material used, and to show the cutaway of an object.

What are the two types of pavers?

Towed and self-propelled

What is the most important factor in determining the chain speed on a trencher?

Type of soil

How does the steel-wheel roller compact material?

Vibrations produce a rapid series of impact that create pressure waves. The waves penetrate soil setting particles in motion to fill voids between the grains.

When using a leveling instrument to measure distances, what can the rod person do to ensure that the rod is vertical?

Wave the rod

The idea behind the fiber reinforced poly,er panels is to create

a FOD cover specific to the size of individual repairs

When repairing defective flexible pavement, in how many inch layers should you fill and compact the subgrade and base course materials?

2-3

At least how many coverages should be made with the pneumatic-tired roller during intermediate rolling?

3

How many types of liners does the Small Shelter System (SSS) tent use?

3

The maximum speed of steel-wheeled rollers should not exceed how many mph?

3

What method can you use to ensure perfectly square corners when laying out an area for concrete?

3 4 5 method

What information is on the back of your AF Form 2293?

A list of all the vehicles you are qualified to operate

What is a sign there may be a connection leak when operating an air compressor?

A loud whistling noise and the sound of the engine RPMs increasing quickly

Who is responsible for removing snow from areas where snow removal equipment cannot be operated?

facility occupants or manager

When should you apply bonding agents?

immediately before the repair material is placed

What training must you have prior to operating a vehicle alone on any airfield?

Airfield driver certification

What must the chief of heavy repair ensure?

All equipment is being utilized to the best advantage, and all safety and environmental precautions are being followed

What type of forklift can you use on unstable surfaces?

All terrain AT or rough terrain RT forklifts F/L

After leveling is complete, how many leveling screws must bear firmly against the leveling head of the engineer level?

All three

one advantage of a bituminous paver over a motor grader is that the bituminous paver

saves spreading time

What are the fuel requirements of the 2 and 4-stroke engines?

2 stroke requires proper ratio of fuel/oil mixture. 4 stroke requires straight gasoline (unleaded)

How are the internal components of a 2 and 4-stroke engine lubricated

2 strokes are lubricated through the oil fuel mixture. 4 strokes are lubricated from the oil located within the engine crank case

During the 2-strokes sequence, what elements are combined and makes it different from the 4-stroke?

2-stroke combines intake with compression during the upstroke, and power stroke with exhaust stroke during the downstroke.

To what depth during the excavation process does the operator clean out the crater?

24 inches

How much wider than the joint must the backer rod be when it is compressed into the joint?

25 percent

What is the approximate area of a circle that measures 18 feet in diameter?

254 square feet

Repair zones are identified and prioritized prior to recovery after attack, what is the recommended size of each crews repair zone?

25ft long and 50ft wide

How many tons of hot-mix asphalt will be required to construct an area that measures 60 feet long by 35 feet wide by 2 inches deep, using 137 pound/ft3 asphalt, and including five percent extra for low spots?

26.55

What allows you to predict ice formation on pavements?

Knowing rate of change of pavement temperature

When approaching material, how do you position the front bucket on a backhoe?

Lowered, level, flat on the ground

Where can you find information on proper lubrication?

Lube chart or lube guide for particular equipment

When you light the cutting torch on the oxyacetylene welding outfit, which valve do you open first?

Acetylene

What pressure and tip size would you use to cut metal with a plate thickness of 1 1/2 inches?

Acetylene pressure 3 PSI, oxygen pressure 45 to 50 PSI, Tip size 3

What are some vehicle maintenance items the operator is responsible for maintaining?

Adding coolant to the radiator, adding oil to the crankcase, filling the battery with fluid. fueling the vehicle, replacing broken lenses and burned out bulbs, adding air to and changing tires, tightening loose nuts and bolts, and washing and waxing the vehicle.

Air compressor size is based on what two basic pieces of information?

Air flow (CFM) and Pressure (PSI)

What three essential elements are both types of small engines you will typically encounter operate on?

Air, Fuel, and Ignition/combustion

Why are AM-2 mats made to fit together with a loose fit?

Allows for expansion of the base course and subgrade

What procedure is used when getting on or off a piece of equipment?

Always face the equipment and use necessary handrails and steps using three points of contact

When hazardous situations that are not covered by existing directives exist, what can you use to mitigate risk and determine adequate safeguards or procedures to manage the risk?

An RM process

In what position do you place the blade to cut V-shaped ditches?

Angled and tilted

What does improper lubrication or the failure to lubricate a piece of equipment constitute?

Annotate the defect in the appropriate area of the AF Form 1800 and turn the vehicle in to maintenance for a qualified mechanic to repair

What does an inspector look for when making daily inspections of the excavation, surrounding area, and the protective system?

Any evidence or situation that could result in possible cave-ins, failure of protective system, or any other hazardous conditions

What happens when you pull back on the clam-control lever?

Clamshell closes

What four functions can the front-end loader perform when it is equipped with the multipurpose bucket?

Clamshell, Dozer, Scraper, Scoop-shovel

What can happen if you forget to latch the tailgate before leaving the dump area?

Could cause your load to spill creating a hazard

What are some of the causes for most accidents involving hydraulic cranes?

Crane out of level. Bad surface conditions. Outriggers used improperly or not used at all. Improper crane operation

Who determines how much fill material is needed at the crater repair sites?

Crater NCOIC

What is accomplished to ensure all upheaval is identified and removed?

Crater profile measurement (CPM)

What are the two transmission controls on the front-end loader?

Directional and range control

On a plate tamper, what can damage the belts?

Dirt and rocks accumulating in and around the belt area

What must you do if you notice gas leakage around the torch tip? Why?

Discard the tip; gas leakage around the tip can cause a flashback

What are things that take away your ability to react quickly while operating a motor vehicle?

Distractions

What is a good technique to use when blue topping? Why?

Dividing project into sections and working one section at a time

What types of hazards are you exposed to when using hand and power tools?

Falling, flying, abrasive, splashing objects. harmful dusts, fumes, mists, vapors, gases

During legacy spall repair, which method has a cure time of 20 minutes requiring frequent cleaning of the mixer and hand tools?

Fast-setting Portland cement

How do you secure the lever on a binder?

Fasten the safety hooks or use safety wire to keep the binder closed

What is a cold shut used for?

Fasten together a broken chain

Under emergency conditions, what is the only type of abrasive you can use on airfield surfaces?

Federal Aviation admin & MAJCOM approved. free running, clean, no loam or clay

Once a bench mark is established, what is the first thing you need to do to determine an elevation?

Figure the height of the leveling instrument

What is the most effective way to remove slag from a torch tip? what can happen through improperly removing it?

File placed on the tip. Improper cleaning eventually enlarges the orifice

What might a technician have to do if the area is too uneven or damp for placement of the generator?

Find a more suitable location or build the area up with dunnage to support the generator.

If you are not sure of a specific abbreviation on a drawing, what should you do?

Find out its true meaning before proceeding. Some abbreviations can have more than one meaning

When loading heavy and light cargo together, how should you place the cargo on the vehicle?

Heavy cargo on bottom.

What function does the retarder serve on a tractor?

Help slow the vehicle reducing the need for using the brakes

What is the purpose of a blanket or insulating course?

Helps prevent plastic soils from working up into the base course and it helps reduce frost action

What type of repairs does the Sustainment Pavement Repair (SuPR) kit allow engineers to perform?

High Quality

Why must you handle oxygen cylinders carefully?

High pressure in an oxygen cylinder makes it a potential missile if the valve is broken off or the tank is pierced

What is forced through the blast orifice creating a spiraling motion across the pick-up head?

High velocity air

In the erection of fences, what types of areas would not require a survey?

High voltage terminals, swimming pools, tennis courts, and individual buildings on base

What three things does a well-maintained haul road do for you?

Higher travel speed, increases safety, reduces operator fatigue and equipment wear

What two movements require accurate control in spotting a load?

Hoist and Swing movements

What are three purposes of using a spreader bar?

Holds two or more linear lines apart when lifted. Prevents crushing or damaging the load. Helps control sling angles when lifting long or oversized loads.

When chains are stretched under excessive loads, what part of the chain should be the weakest part?

Hook

In addition to the items listed on the 1800, what items should you check during the preoperational inspection?

Hopper doors, inspection doors, fluid levels and air cleaners for both engines, lights

What are the five components of self-propelled pavers?

Hopper, conveyor, operator's station, screed control stations, screed.

What does the term radius in feet mean?

Horizontal distance from the axis of rotation to the tip of the boom

Where do you position the crane boom when attaching the clamshell?

Horizontal with boom tip over the clamshell

Which type of stake is set in the ground to show an exact position or elevation?

Hub stake

How can you prevent premature wear of the skid plates?

Keeping the spring tension suspension system in proper adjustment

What do we call the space (narrow slot) that develops in the metal from the cutting action?

Kerf

Briefly, how do you remove small trees and brush?

Lower blade just enough to cut roots and move forward.

Why must you strictly follow the load chart when using a boom shooter F/L?

Potential of tipping when boom is raised

How do you compensate for the up-and-down movement of the front of the dozer?

Lower blade when nosing up, raise blade when nosing down.

Where do you place stones that weight less than 10 pounds when you are constructing berms or dikes?

Lower center of the barricade

How do you position a load if you have to move the crane?

Lower load to ground, then reposition crane.

Briefly explain the procedures for drilling a hole with an auger attachment

Lower the auger gradually into the ground until the hole is about one foot deep. Raise the auger to remove the soil. Repeat until hole is at desired depth

In what position should the bucket be when you start scooping?

Lowered, level, flat on the ground

At the end of the snow removal season, the SCC reports to what agency with the quantities of chemicals used?

MAJCOM

What advantage is gained when working the sheepsfoot roller from the outside to the center of the road surface?

Maintain the crown and drainage of the job site

What can you do to reduce the chance of material settling?

Make a series of cuts across the area to reach the bottom of the low spots

If you are preparing to construct a timber bridge, what is your most important consideration?

Make sure the bridge is constructed according to its projected use

When selecting a replacement V-belt, what are two important factors to consider in making sure you have adequate power for the operation of your power tool?

Making sure the V-belt is the right size for the pulley and selecting a belt so that the motor is as close to the machine as practical to prevent some power loss

What may happen if abrasives are stored outside?

Moisture absorbed may cause stockpile to freeze

What is uniform graded?

Most of the particles are about the same size

When removing rocks, what is the next step after you work one corner of the blade under the rock?

Move forward and raise the blade to roll the rock out

How can you operate the loader slowly, while still maintaining full throttle?

Move the steering to control a smaller amount

What will happen if the blast orifice curtain is not set as required by the manufacturer's manual or TO?

Poor sweeper performance

How do you remove snow from the immediate vicinity of the AAS?

Portable snow blowing equipment / manual labor

What are the four main types of chemicals used for stabilization?

Portland cement, bituminous material, calcium chloride, and lime

How are chains constructed?

Series of links fastened through each other

How many expedient crater repair methods are used by the Air Force?

Seven

What pieces of equipment are designed specifically for compaction work?

Sheepsfoot roller, pneumatic-tired roller, and steel-wheel roller

What four steps do you complete to start a cut?

Shift into forward and move forward. Lower blade into ground until cutting. When dozer starts pulling hard raise blade in small increments. When blade is full, raise it to ground level and push material to desired point.

What can cause jackknifing?

Skidding or locked wheels, normally due to hard braking in emergency or hazardous conditions.

How is fine dust taken out to the airflow in the regenerative system?

Skimmed off the separator

On a chainsaw, how do you adjust a hard tip chain?

Slightly loosen the bar clamp nuts, hold the guide bar up and turn the adjusting screw. Turning the adjusting screw clockwise tightens the chain tension; turning the adjusting screw counterclockwise loosens the chain tension.

Why should you be careful driving the truck when the tank is not completely full?

Sloshing water side to side may cause a loss of control

How do you avoid penetrating too deep when excavating?

Slowly raise boom while dipper stick goes throughout the cycle

What size projects are good for a plate tamper?

Small projects

What types of small projects are carpenter's levels used with?

Small-sized projects such as patios and sidewalks

What is the A Horizon?

The upper layer of the soil profile made up mostly of organic materials

What are the functions of the cutting attachment?

The welding torch can be quickly converted into a cutting torch, and is useful for the occasional cutting of lighter sections

What can happen if type B-1 fencing wire is stretched too tightly?

The wire can break in cold weather or can loosen corner post

When you are cutting wood with a chainsaw, what causes pinching?

The wood you are cutting closes together against the chain, causing the chain to stop

What must you know about your people in order to use them properly?

Their strengths and weaknesses

When replacing small parts on your tools or shop equipment, why is it important to use the manufacturer's replacement parts, although they may be ore expensive than off-the-shelf parts?

They are almost always guaranteed to fit

What is the purpose of a terminal post caps?

They cover the terminal posts and prevent moisture from entering

In addition to preventing the wearer from being thrown out of the vehicle, what else does the use of seatbelts do?

They prevent or lessen the severity of injuries, and reduces the force with which the wearer is likely to strike objects within the vehicle

What may happen if you lower the machine too quickly into the cut while routing?

This could make the machine lurch forward causing you to lose control

How many strands of barbed wire usually provide sufficient security?

Three

What materials may be used to walk a dozer across a taxiway?

Tires or thick wide boards

Why do we set spacers under the screed when starting paver operations?

To account for compaction of the material

After dumping and cleaning, why should the doors of the sweeping unit be left open?

To allow the seals to dry and regain shape

When removing snow under crosswind conditions, why must you continue the operation for the entire width of the runway?

To avoid obscuring the runway centerline or leaving a windrow

Why do you crack cylinder outlet valves before you attach the two-stage regulators while assembling the oxyacetylene welding equipment?

To blow out any dirt lodged in the outlet nipple

What is a line level used for?

To check whether two points are level, such as in elevation

Why is it important to have a properly planned digging sequence when conducting large excavations?

To conveniently work into the clear so you can complete the excavation.

When cutting metal using the oxyacetylene cutting process, how does the oxygen stream affect the red hot metal?

To cut metal by the oxyacetylene cutting process, there must be rapid oxidation of the metal within in a localized area. To produce this oxidation, you heat the metal to a bright red or "kindling" temperature and direct a free jet of high-pressure oxygen against it. This oxygen blast combines with the red hot metal and burns it to an oxide

What is the main reason for inspecting your equipment?

To determine what maintenance needed and serviceability.

What is the purpose of a grounding plug?

To ensure there is a metallic connection of low resistance directly from all metal surfaces of an electrical tool to the ground

Why are the pieces of lumber, sawed halfway through, used to mark runway lights?

To ensure they break without damaging aircraft

What is the purpose of the pre-trip inspection

To ensure vehicle is safe to drive

What are hub stakes used for when checking ground spot for desired grade with a level?

To give the exact elevation of the finished grade

Why should you mechanically stabilize a subgrade?

To improve the drainage or the compaction characteristics of soil

Why should you refuel vehicles everyday or keep their tanks at least three-fourths full?

To keep condensation from forming inside the tank during temperature changes

Why do you use a torch wrench to disassemble oxyacetylene welding equipment?

To keep from rounding the corners on the connecting nuts

Why should you pull out from under the trailer slowly when uncoupling?

To keep the weight of the trailer from dropping suddenly on the landing gear if it isn't in full contact with the ground

Besides compacting and mixing clay soils, for what other purpose do we use the 13-wheel roller?

To make final passes over an area that has been first compacted by a sheepsfoot roller

What is the primary safety consideration in servicing or adjusting equipment?

To make sure you shut the engine down

When would you use the clamshell configuration?

To pick up small piles of materials and sticky materials

Why should you be alert and follow safety rules during oxyacetylene cutting operations?

To prevent damage to equipment and injury to personnel from fire and explosion

Why do you never load a truck with the operator sitting in the cab?

To prevent injury to the operator if a large object crushes cab

Why do you shut off the oxygen torch valve immediately when a flashback occurs?

To prevent the fire from moving through the hose and regulator into the supply line or cylinder and causing an explosion

What is the purpose of the safety pin on a pintle hook?

To prevent the pintle hook from coming open when the vehicle is transporting equipment

Why should the concrete mixer be placed on a flat and level surface?

To prevent tipping, rolling, or falling

What is an operator's inspection checklist designed to do?

To protect you and the equipment you operate

What is the bucket-control lever used for?

To roll the bucket forward and backward

What are rail ends used for?

To secure the top rail to end or terminal posts

After loading the scraper, why do you travel a few feet before lifting the bowl to the CARRYING position?

To spread loose material piled up in front of the cutting edge, resulting in a smooth cut and allowing the following scraper to maintain speed.

What is the purpose of the landing gear?

To support the front of the trailer when it is not attached to the tractor

What type of slight tolerance projects is the GPS system not well suited for?

Tolerances <1/4 inch from finished elevation

When inspecting a vehicle, what should you do if you notice defects in the vehicle which you cannot fix?

Turn the vehicle in to vehicle maintenance for a qualified mechanic to repair

Which type of turning point should you use on sandy soil? On firm ground?

Turning plate; turning pin

If enough personnel are not available to conduct tailgate removal/installation procedures in the field, what is the bare minimum number of people needed, and what are their duties?

Two personnel: Forklift operator and Dumptruck Operator (spotter)

What type fence is used during a contingency operation when the erection of a permanent fence is pending?

Type C

Which piece of equipment is not recommended for excavating large areas?

backhoe

You should place the first centerline stake for a large concrete project at the

beginning of the project

Why should the point of the V-tread on the rear tires touch the ground first?

better traction, longer wear of tires

On larger hot-mix asphalt (HMA) projects, what is the first layer of asphalt called?

binder course

What happens when you set the blade pitch in the FORWARD position?

blade tends to ride over rather than cut.

What are the three basic operating components of a scraper assembly?

bowl, apron, and ejector

To control erosion at the outlet end of a culvert, you should

build a concrete spillway

When inspecting a truck of asphalt, blue smoke indicates the mix is

burnt

How can you make steering easier when pulling trailer-type equipment with the swinging drawbar?

by letting it swing free

bituminous surfaces must be constructed on bases that are reasonably dry and free from

caked mud or dust

What disadvantage do some dozers have with rear-mounted rippers?

can not be used to tow attachments and replaces drawbar.

With which type of soil can greater slopes of a berm be sustained?

cohesive soils

What purpose does the CPU system serve on the RIDS?

collect, transfers, processes historical data for future reference. Displays on console

The purpose of a drainage inspection is to report on

condition, function, and safety of the items inspected

Expandable bin revetment sections are connected together using

connecting pins

You should install a drop inlet at the end of a culvert to

control silt buildup

The pavement preventive maintenance plan should, as a minimum, relate to all of the following except

cost of materials

Which item should you use to mark defective flexible pavement?

crayon

The primary objective of a pavement condition survey is to

determine the structural integrity of the pavement

What can be done in shallow water to ensure enough water surrounds the suction end of the hose?

dig a sump pit

What shape should an asphalt mix have if it is slumped in the bed of a dump truck?

dome

What is the most important part of landscaping?

drainage

What type of road shoulder exists along narrow pavements inside curves and at intersections?

dual-type

What is the purpose of overlapping each pass of a roller at least one foot?

eliminate uncompacted strips

When performing a full-depth repair, how much material must be removed?

enough to permit reaching hard, firm soil or base

When an enemy attack becomes eminent, the rapid runway repair (RRR) assets must be

equally divided and dispersed to per-designated areas

What type of joint is installed to relieve compressive stresses of a slab?

expansion

What piece of safety equipment should you always wear when using the high-pressure hose?

eye pro

What safety aspect must you watch out for when removing trees?

falling dead limbs

Which type of specimens may give a more accurate interpretation of the actual strength in the structure?

field-cured

After a dozer is loaded, where should the blade be positioned?

firmly against trailer in FLOAT

What can you do if you want to funnel water into the inlet of a culvert?

flare the end walls

What type of form needs to be used with a radius under 150 feet?

flexible

What are the only tests that show how the concrete will perform in-place?

flexural and compressive strength on cured samples

Each state has its own performance grade requirements to meet what conditions?

geographic

How is snow removed from runway lights when the snowfall is too heavy to keep them clear?

hand-shovel

What is the purpose of using tie bars in concrete?

hold slabs together

What is it called when large voids are visible in concrete that hasn't been consolidated properly?

honeycomb

What makes the dozer's transmission controls simple to operate?

hydrostatic transmission. One lever for speed and direction

Before you can use any material on Department of Defense (DoD) airfields, you must make sure it

is certified for use

What happens if you pile up windrows in front of the rear wheels?

it affects traction and grading accuracy

Which type of asphalt emulsion is developed for slurry seals?

quick-set

Which of these conditions is not a function of subsurface drainage?

raise the water table

What is a disadvantage to using a scarifier?

relatively weak and can not handle extremely hard material

Because there are no ramps available with the folded fiberglass matting, they must be fabricated using

sand and polyurethane mix

After you place either your impervious soil layer or filter material for a subsurface structure, make sure the bottom of the trench is

shaped to fit the pipe

If you are installing culverts or storm drains, the bottom of the trench should be

shaped to fit the pipe

How are sieve sizes designated?

By screen opening size.

When can you remove a power tool's safety guard when it is in use?

Never

What is the most important factor in maintaining the air sweeper?

Keeping it clean

Whose responsibility is it to determine the overall weight of the load?

Operator

How should potassium acetate be stored?

Polyethelyne or stainless steel tanks

What views are shown in detail drawings?

Sectional and detail views

Lists the two general classes of leveling rods

Self-reading and target rods

What does the slump test of a concrete mix measure?

consistency

How many rows will one standard pallet of AM-2 mats cover if the runway width is 72 feet?

2

What is the minimum amount of people required to erect an expandable bin revetment?

2

What is the top speed allowed when transporting a load with the crane (pick and carry)?

2 1/2 mph

Name three regulations the Air Force follows when dealing with electrical hazards

AFOSH, the National Code, and the NEC

Which fuel bladder berm is the least desirable?

Above ground level

Fast-setting Portland cement has an approximate cure time of twenty minutes, what can this cure time be extended to during colder temperatures?

2 Hours

What are unacceptable pressure drops during the leak down test?

2 psi for tractor alone. 3 psi for tractor-trailer

What is the most common mix for concrete when mixing it by hand?

1 cement 2 sand 3 gravel

During upheaval marking, what is the distance between each measurement to keep repairs as small as possible?

1 foot

Surface treatments produce a pavement with a thickness of

1 inch or less

How long should the first cubic yard of concrete be mixed in a portable concrete mixer for a medium job?

1 minute

How much water in gallons per cubic yard can be added at the jobsite without detrimental effects?

1-2

What must the slope of a berm be?

1:1 or sloped at the angle of repose of the soil

At the least, how many feet of final earth cover should you use when abandoning a sanitary landfill trench?

2

What sling angle multiplier is used when your sling angles are 60 degrees?

1.154

Joining two folded fiberglass mats together requires the use of a two foot

1.25 inch wide by 30 foot long two-ply panel

When a transit truck is used, the concrete should be delivered and discharged within

1.5 hours

Soil material supporting AM-2 matting must have a California bearing ratio (CBR) rating of at least

10

What is the capacity and maximum load height of a 10k AT F/L?

10,000 lbs & 10.5 ft

The centerline lights are used for a nighttime operation in an AM-2 mat package. How many feet apart are these lights installed?

100

When placing AM-2 matting, install typical key-locks at intervals of how many feet?

100

What maximum distance should a crane or its load be allowed to work within powerlines of 50kV?

10ft

What distance should be allowed for power lines over 50kV?

10ft + 0.4in for each one kV over 50kV

What is the approximate number of spalls that can be repaired with a large capability crew of 21 personnel?

1150

During the debris backfill method of crater repair, how many inches in diameter will the debris be allowed to be pushed back into the crater?

12

The environmental control unit should be approximately how many inches away from the Small Shelter System (SSS) tent end wall?

12

How far from the lower unsupported edge should the rolling process start for thick lift construction?

12 to 15 inches

Using the new rapid airfield damage repair (RADR) techniques, how many small craters are able to be repaired within a 6.5 hour time period?

120

What temperature must the asphalt cap reach before it is ready to receive aircraft traffic?

125 F

During upheaval removal the craters edge needs to be as vertical as possible and how many inches deep

18 to 24

When anchoring AM-2 matting, make the anchor ditch

18 to 24 inches deep and cut it at a 15 to 30 degree angle

What is the rounded numerical value of pi?

3.14

Inspect the Small Shelter System (SSS) tent electrical cable assemblies every

30 days

When unfolded, what are the dimensions of a single folded fiberglass mat?

30 foot wide by 54 foot long

When selecting a site for the Small Shelter System (SSS), how large must the area be?

30 x 40 feet

What is the efficient operating range of a typical scraper?

300 ft

During debris removal, debris must be pushed to a designated location at least how many feet from the MOS edge and no higher than how many feet/inches?

30ft : 36 inches

How many chains are needed to secure a 38,000 pound D-5 dozer to a lowboy trailer?

4 chains

You are spotting AM-2 mat pallets around a mat laying area. To do this properly, you should place them in the center of the runway at

4-foot intervals

When using hot-mix asphalt (HMA) for repairs, how much should you overfill the area to allow for proper compaction?

40 percent

At what pressure will the parking break valves automatically pop out?

40 psi

During spall repair, what is the working temperature range for the rapid setting concrete?

40F - 90F

With a rapid-set cap, how long before the repair is fully operational?

45 minutes

What are the two blade diameter sizes used on the wheel saw during pavement cutting?

45" : 60"

What is the appropriate following distance for a 40-foot combination traveling at 55 mph in ideal weather conditions?

450 feet

How many freight containers are included in one Sustainment Pavement Repair (SuPR) kit?

5

When ordering concrete, how much excess should you normally order?

5 percent

Utilizing the "slash and splash" method during backfilling, how many gallons of water is used per 3000lb super sac?

50

bituminous construction normally should be suspended when the temperature falls below

50 degrees

The small shelter system tent can withstand steady wind loads of

50 knots

What are the typical dimensions for the minimum operating strip (MOS) for tactical aircraft (fighters)?

50 x 5,000 feet

Airfield sustainment repairs are an upgrade to the expedient repairs and are designed to support how many passes as compared to the expedient's 100 passes?

5000

How many tarps are located in container 4?

6

When installing multiple sections of welded wire fabric, how much should be overlapped?

6 inches

What percent of the volume of a concrete mix is made up of aggregates?

60-75

The rotating beam from the laser level strikes the receiver how many times per minute?

600 RPMs

How many compact track loader (CTL) attachments accompany the CTL within the kit?

7

Above what outside temperature is a retardant admixture required to extend the working time of the rapid set cap?

75 F

How much air flow does a typical 90lb jackhammer require to operate efficiently?

75-80 CFM

In fence-installation, what is normally used for tension wire?

A 7-gauge zinc-coated wire

What two things must you present to the licensing flight of Vehicle Operations to receive a valid government driver's license?

A completed and signed AF Form 171 and your state driver's license

What should you use to attach the fence fabric to the terminal post?

A draw bar and offset bands

What is the capacity range of portable concrete mixers?

A few cubic feet, all the way up to two or three cubic yards

What keeps asphalt from sticking to the drum rolls on the steel-wheel roller?

A fine spray of water from the spray bars

What is a leveling rod and what is it used for?

A graduated pole or stick with a movable marker. It is used to measure differences in elevation

What AF Form must you sign after you complete preinspection?

AF Form 1800

Which AF Form is used as a purchase request?

AF Form 9

What publication directs taht all snow removal equipment must be mechanically sound and operational by 1 September of each year?

AFI 32-1002 Snow and Ice Control

What AFI implements part of the OSHA 29 Code of Federal Regulations and includes additional requirements?

AFI 91-203

Which AFI governs the use of protective devices?

AFI 91-207

Which AFI governs what is prohibited behavior while operating a government vehicle?

AFI 91-207

In using mechanical devices, identify two hazards that cannot be controlled mechanically?

Any two of the following: overloading, dropping, slippage of the load, obstructing the free passage of the load, moving a vehicle with an unsecured load, not using stabilizers.

What is another way to describe an AF Form 171?

As a government driving "learner's permit"

When leveling the engineer level, how many times should you turn the instrument 90 degrees then back before you turn it 180 from its original position?

As many as necessary. Until the bubble remains centered in both positions

When should you start maintaining and caring for your engineer level?

As soon as you receive it

At what point do you raise the front bucket on the backhoe to unload material?

As you approach the stockpile or dump truck

What can be used to help clean the paver?

Asphalt release agent or heat

What is gap graded?

At least one particle size is missing.

Where do you start finishing side slopes when working diagonally to the slope?

At the bottom, working diagonally up the slope

What should you do if you cannot weave the tension wire through the fabric?

Attach it to the fabric with hog rings every two feet

Which soil horizon is the base for all types of pavement construction?

B Horizon

Which fench type is used as a livestock barrier for livestock grazing lands that adjoin airfield operational areas?

B-2

What do the self-propelled rubber tire roller and the towed 13-wheel roller have in common?

Both are mounted on two tandem axles with smooth treaded tires arranged so the rear ones cover the spaces left by the front ones

How do you move the machine forward and backward?

Both levers either push or pull

In heavy snowfall regions, how are the first snowfalls plowed?

Back far enough to allow for placement of later snows.

If no loading ramp is available, what method can be used to load a dozer on a lowboy?

Back the trailer into a shallow, dry ditch, or push a pile of dirt up behind the trailer

If you must back a trailer, in which direction is the preferred method? Why?

Back to the left because you can see where you are backing

Which backfill process utilizes the volumetric mixer?

Backfill under asphalt

Which loading operation do you normally use where the cut is fairly short and it would be impractical to load in both directions?

Backtrack loading

What three services need to be contacted during the planning stage of a construction project involving traffic disruption?

Base fire department/911 service, security forces, and hospital emergency service

Before beginning any sweeping operation, with whom do you report to before beginning your airfield inspection?

Base operations

What are five ways to inform base populace about roadway construction?

Base paper/email notification, commander channel or TV, local radio, wing staff meeting, and base operations (for airfield/flight line type work)

What four very important points are essential when you are working in a hazardous area or with hazardous equipment?

Be able to recognize the hazard, understand how the hazard can affect you, know what safety equipment is available to combat the hazard, know how to use the equipment

What can be done to prevent many hazards in your work area?

Be alert and knowledgeable as to what is dangerous, and concentrate on the task at hand

What is the first action you take in disassembling a welding outfit?

Be sure the gas supply is shut off

Why are the A Horizon soils not used in any phase of construction?

Because A Horizon materials are spongy, drain poorly and do not compact. It must be removed before building on the area

Why should you want to wear leather gloves when working with wire rope?

Because even new wire rope has burrs, sometimes called fishhooks, which can easily rip open your hands

Why should most leveling instruments be set up in the shade?

Because it is highly susceptible to expansion and contraction from direct sunlight

Why is it important to check the air cleaners on both of the engines?

Because of the continuous dusty operating conditions

Explain why the chainsaw should be used only in well-ventilated areas

Because the exhaust produces carbon monoxide

Why do you not cut the roots on the side in which the tree will fall?

Because the roots prevent the tree from falling on you

All items located within each container are labeled on which shipping lists?

Bill of Materials placard

Which flight conducts an occupational health test to determine if a respirator is needed within your duty section?

Bioenvironmental flight

What two types of pre-cast concrete revetments the Air Force is using to replace the A1 and B1 metal revetments?

Bitburg and concrete chamber soil bins

What happens if you raise and lower the blade two or three inches when making a cut?

Blade will cut an uneven surface on which the dozer must travel.

Why are angle dozers not recommended for use as pushers?

Blades are more lightly constructed and may be bent or severely damaged

If you are hauling drums or barrels, what is the best way to secure the load if the drums and barrels are placed on their sides?

Block and build a pyramid.

What three structural components make up the excavator?

Boom, dipper stick, bucket

What are the types of drainage defects?

Breaks, erosion, vegetation and obstructions

How do you unload wet or sticky material?

Bring tilt floor or tailgate forward 12 inches at a time. After each forward movement, return the tilt floor or ejector approximately six inches.

Why should you never back the sweeper up with the gutter broom down?

Broom could hang on a stationary object and break off

List the attachments needed for the clamshell conversion

Bucket. Combination hose. Tagline reel mounted on the boom. Separate fairlead assembly.

How can you avoid segregation when stockpiling materials with a front-end loader?

Build stockpile in layers to make sure it maintains a uniform gradation

Who uses construction drawings?

Builders including carpenters, electricians, and pavement and construction equipment operators

List three other types of equipment you can use in snow removal operations

Bulldozer, grader, front-end loader

Which item MUST be used when removing items from the upper level of the containers?

Chocks

How does calcium chloride increase soil stability?

By controlling moisture content. It absorbs moisture from the air, thus keeping the soil damp

How does the AF designate nylon rope?

By inches of diameter and circumfrence

How can you be sure the locking handle is in the OPEN position?

By pulling on the handle until it locks in the OPEN position

How do you change the width of a lattice boom screed?

By removing or adding sections then adjusting for trueness

How can you damage an electrical cord?

By scraping, kinking, stretching, exposing to grease and oil, as well as jerking the cord from the receptacle to unplug it

Once you light the oxyacetylene welding outfit torch, how can you recognize the reducing flame?

By the presence of three distinct flame cones; the clearly defined intense white inner cone, a white feather or intermediate reducing cone, and the light-orange outer flame envelope.

How is the cutting tip held in the cutting torch head?

By the tip nut

How are types of power tools determined?

By their power source

When making a side-hill cut, how can you increase dozer productivity?

By working the dozer from the top of the proposed road downward.

What type of chemical should be used at lower temperatures?

Calcium

Which material is most commonly used in accelerating concrete mixes?

Calcium chloride

What are two distinct wind conditions that affect snow removal?

Calm and parallel conditions & Crosswind conditions

What are two disadvantages of the ripper?

Cant grade material in same pass. Adds length to machine making it awkward to maneuver

What does chemical stabilization do for soil?

Cements the soil into a hard mass and changes the soil to make it more suitable for construction.

What are three operator checks you should perform if an engine fails to start prior to taking to a small engine repair shop?

Check control positions, check fuel, remove and inspect the spark plug.

What is the first step before operating a concrete saw?

Choose the correct blade

What can the hand-held suction hose be used for?

Clean around immovable objects and leaves in corners and hard to reach places

What should you do before storing wire rope?

Clean, lubricate, coil, and tag it

Though you may not have to completely disassemble shop tools and equipment for maintenance, what maintenance must you do?

Cleaning, inspecting the parts for defects, lubricating, and treating

Besides rollers, what other type of equipment furnishes some form of vibration on soils with low moisture content?

Construction equipment, such as tractors and trucks

Why is 20 feet of clearance required on all four sides of containers 4 & 5?

Containers open on all 4 sides

Which special capes team concentrate on doing airfield repairs when opening the airbase?

Contingency Response Group (CRG) and RED HORSE

Slower truck speeds are advisable for what type work?

Curb and gutter work

What is the first step in disassembling an AM-2 mat runway?

Cut all splice plates

What must be done if any discrepancies are found during a hook inspection, and who can perform these inspections?

Cut it in half and discard it. Inspected by a competent person.

What is the digging cycle of a backhoe?

Cut, Raise, Swing, Return

Why is it very important to change the cutting edges on a dozer?

Cutting edges could wear into the blade bases, which are very expensive to rebuild or replace.

Which stage is considered the 3E2's primary tasking during advanced crater repair?

Damage repair

What are the two types of traffic cones used on roadway projects?

Daytime and low-speed and nighttime reflective cones

What actions do you take when approaching the trailer on a forklift?

Decrease your speed and begin elevating the load so it is slightly above the trailer

Why is the center cutting edge on the scraper bowl positioned ahead of the two-side pieces?

Deeper penetration

According to the ANSI/ASSE Z15.1, what is defined as driving to save lives, time, and money in spite of the conditions around you and the actions of others?

Defensive driving

What does the PTO do?

Delivers power from the tractor engine to the mounted or attached equipment

What approximate speed should you use when you are sweeping curbs?

Determined by the amount of debris and obstacles present

Which type of pump is better suited for pumping mud, slime, or silt?

Diaphragm pump

What is used to generate extreme heat in the exhaust system?

Diesel Exhaust Fluid (DEF)

What are safety precautions you must follow when you fuel equipment?

Do not fuel near open flames or spark-producing devices. Do not fuel indoors (ventilation). Do not smoke during fueling. Stop the engine. Apply the parking brake or chock the wheels so the vehicle doesn't roll away. Keep nozzle of fuel hose in constant contact with tank intake pipe to prevent the discharge of static electricity, which can cause a spark with enough intensity to ignite the fuel vapor. Use a nozzle without a hold-open latch.

Which way should the impact force be directed when operating the impactor?

Downward and slightly toward the loader

What two methods do you use for leveling areas with a front-end loader?

Dozer and back-dragging

After physically checking the construction site, what is the next step in preparing a working drawing for a sidewalk project?

Draw and label the pertinent items

What gives you a complete graphic description of a proposed construction project?

Drawings and specifications

Normally, what must you do to correctly seat the front-end loader's locking pins?

Drive forward, place loader lift frame up and into the attachment frame. Curl backward & insert locking pin

What is the purpose for the quick-connect on the MSRU?

Enables you to interchange between a blower, displacement plow or front sweeper

When do you refuel your dozer and why?

End of work day. 3/4 cuts down condensation and ensures dozer is ready for emergency

How much down pressure do you apply to the stabilizers on a backhoe?

Enough to raise tires of the ground

Why should you carefully determine the sling angle when using a bridle sling?

Ensure individual legs are not overloaded

What actions can a supervisor take to prevent accidents from happening in the work place?

Ensure safety standards and instructions

Which flight will give you guidance of the proper disposal method for the chemicals we use?

Environmental flight

How often must crane operators be recertified?

Every 30 months

Whose responsibility is it to ensure the group is following simple safety rules?

Everyone

What are the three functions of the rubber-tire excavator?

Excavating, dozing, loading

When required to perform manual labor tasks such as shoveling, raking, and lifting heavy tools and equipment, what type of job hazards might you face during winter months?

Exposure to deicing chemicals along with hazards that accompany the operating of snow removal equipment in subfreezing temperatures

What are some typical uses of type B-1 security fencing?

Extension of flight line area barriers, perimeter boundary for isolated portions of installations, livestock barrier, and boundary for on-base bulk material storage areas

What is considered the most important piece of safety equipment and why?

Eye protection, because it takes only a small piece of foreign material to permanently damage your eye and cost you your sight

How many sections are in a work zone area?

Five

What is the last step in managing a project?

Follow-up

What information must be reflected on a PMTL for an item to be considered preventative maintenance?

Frequency, possible variation, and costs to complete the task.

What are the two types of inspections on chain, nylon rope, and wire rope?

Frequent and periodic

What should you do if you are sweeping on an active runway and your radio fails?

Frequent visual checks with the control tower for warning and clearance light signals.

How can you prevent condensation in an airbrake system from freezing or rusting the system?

Frequently drain the air tanks

How do sheepsfoot rollers compact material?

From the bottom and work to the top

How do you pivot an excavator when working in a confined area?

Fully press the front of one pedal forward and the back of the other pedal backward.

When traveling within the job site, briefly state the three steps taken to prepare the crane for moving

Fully retract boom sections. Swing and lower boom over-the-front. Insert the turntable lock pin.

When building a metal plank culvert for more permanent construction, why do you place sandbags, burlap sacks, or canvas around a metal planking culvert?

Give the culvert a better watertight seal?

What does GPS stand for?

Global Positioning System

Which equipment do we use in conjunction with a front-mounted broom to clear an area where prefabricated surface mats are to be assembled?

Grader

What color are oxygen cylinders?

Green

What is a leading cause in the collapse of trenches?

Ground water

What must be provided on power tools to protect the operator and others from point of operation, in-running nip points, rotating parts and flying chips and sparks?

Guards

How much calcium chloride is added to each square yard of soil (one inch deep) to stabilize subgrade?

Half a pound

Which type of portland cement is used when high strength is required in a very short time?

III

What type of portlant cement is used in large masses of concrete, such as large dams?

IV

What are some of the hazards hand tools can present when they are misused or not maintained properly?

If a chisel is used as a screwdriver, the tip of the chisel may break and fly off, hitting the user or other employees. If a wooden handle on a tool, such as a hammer or an axe, is loose, splintered, or cracked, the head of the tool may fly off and strike the user or other employees. If the jaws of a wrench are sprung, the wrench might slip. If impact tools such as chisels, wedges, or drift pins have mushroomed heads, the heads might shatter on impact, sending sharp fragments flying toward the user or other employees

How can you know whether you have made a good working drawing of a sidewalk?

If a fellow worker could build the sidewalk from it without other instructions.

What is one of the major advantages of a front-mounted snow broom versus a towed-type broom

If can sweep the area before the broom caster wheels or truck tires pack the snow. Operator has a clear vision of the area to be swept and a faster forward speed is achieved.

Why is it so important to have the crane properly leveled when lifting a load?

If crane is out of level, it can tip over

Why is it important to concentrate on both ends of the moldboard?

If you raise the toe without adjusting the heel, the heel will drop down and begin to cut.

When does planning a project start?

Immediately after receiving the work order from your supervisor

What should you do if you see dents or cracks in the ROPS?

Immediately bring it to the attention of vehicle maintenance and make sure it is fixed correctly or replaced

What could cause a vehicle to be overloaded without the vehicle capacity being reached?

Improper placement of a concentrated load

Why should a standard set of signals be used between helper and operator instead of signals made up between them?

In case there is another helper assigned to the operator

Which way do you lean the front tires when constructing a ditch?

In direction of the flow of the cut material

Where can you find a vehicle's operating parameters such as weight carrying capacity, towing capacity, and volumes of material it can haul?

In its owner's or operator's manual

How do you increase the amount of earth you spill off the heel?

Increasing the angle of the moldboard

What type of inspection must be completed anytime the crane structure has been repaired?

Initial

When you are required to remove earth and/or rock, what types of potential injuries and hazards should concern you?

Injury and death by suffocation or crushing as a result of cave-ins occur too frequently. Also, hazards may be encountered when electrical, gas, and steam lines are broken in excavating operations

Where are the front-mounted broom operating controls located?

Inside the cab from a panel located to the operator's right

When dispensing abrasives, what can result if you apply too much?

Insulate ice and keep from melting

What is the first action you take if it becomes necessary to repair a broken pipe or cable located in a crater?

Isolate the damaged utility

What can happen if you try and adjust the screed too much at one time?

It can lead to an inferior surface.

What is another name for the C Horizon and why?

It is sometimes called parent material because it is where "B" horizon material comes from

When backing the dozer off a stockpile, why do you not raise the blade?

It puts extra weight on the front idlers and causes greater track penetration.

What happens if barbed wire breaks while being stretched?

It recoils with a whip-like action that can seriously cut you or others

Why should you not rinse out the inside of the cab when cleaning the vehicle?

It shortens the life of the vehicle cab, causes the mats to deteriorate. and causes the floorboards to rust

What is the purpose of the fifth wheel?

Join the tractor and semitrailer together

What should you do to prevent a car from trying to pass on your right when you are preparing to make a right turn with a tractor-trailer?

Keep unit close enough to the curb

Which pavement damage is caused by general-purpose bombs in the 100-pound class and delay-fused munitions?

Large crater

What jobs are ideal for using a blade attachment with a front-end loader?

Leveing, pushing, backfill small to medium jobs

What are some uses of a backblade attachment?

Leveling, backfilling, light-clearing work.

During the excavation process, what is provided to the operator to ensure proper depth is met?

Lines marked on the bucket

What must be installed at the suction inlet end of any pump to prevent debris from jamming moving parts inside the pump?

Liquid strainer or screen

Which task must start the same time the loader is clearing the crater and the grader is clearing the minimum operating strip (MOS) and taxiway locations?

Load and Haul teams

What can happen if the center of gravity is not directly below the hook when lifted?

Load may swing or cause uneven stress on rigging.

Which piece of heavy equipment should lead the way in order to clear debris from the convoy route?

Loader

What is a jumping jack tamper good for compacting?

Loose fill material in trenches

What should you not wear when using rotating equipment?

Loose gloves or loose clothing

What are some of the more common defects that may occur in security fencing?

Loose or broken strands of barbed wire, extension arms missing or barbed wire not secured in proper position on extension arms, bent or missing posts, holes or loose areas in fence fabric, missing sections of top rail, and tie wires missing or hog rings gone

What is the function of the scarifier?

Loosen harden earth, like a ripper

How can you achieve greater efficiency when using the front-end loader to work with medium to hard material?

Loosen the material first with a ripper or rooter

What should you do when stopping your equipment or shutting it down?

Lower all attachments, lock the brakes, shut the engine down, then pull the keys and conduct a walk-around inspection to ensure no damage or leaks have occurred during the operation. Finally, chock the wheels if you are parked on an incline or in an area where chocks are a requirement

Whose responsibility is it to measure crater dimensions to determine the fiber reinforced polymer (FRP) panel size while the crater is being prepped?

Mat Chief

Why should you not use a steel hammer or pry bar to move wire rope over the drum?

May damage the rope

What are two types of stabilization?

Mechanical and chemical

What type drum cannot be used as a traffic control device and why?

Metal. Due to the damage that could be caused to a vehicle during a collision

What is the B Horizon?

Middle layer made up of a mixture of sand, gravel, silt, and clay

Why is there an advantage in using a target rod to measure vertical distances?

Mistakes in reading the rod are less likely

What are the two most common hazards associated with the use of hand and power tools?

Misuse and improper maintenance

How are the CTLs auxiliary hydraulics engaged?

Mode switch located on instrument panel inside the cab

If you are sweeping heavy snow, how much engine throttle should be used? why?

Near full. This will prevent snow from packing inside the brush hood

What are the three cardinal rules of surveying?

Never set up tripod without finding good footing and setting the legs firmly. Never leave the set up unattended. Never straddle the tripod legs.

What must you never do and always do when changing cutting edges?

Never when engine running and always use proper tools

How is wire rope classified?

Number of strands. Number of wires per strand. Strand construction. Type of lay.

In the lesson, what were the three important factors we considered for worksite safety?

Observation, visibility, and communication

What are the two main types of load charts on a crane?

On Outrigger and On Rubber

How is the compensator suspended on the self-leveling level?

On fine nonmagnetic wires

When is the front-end loader most efficient?

On flat smooth-surfaced areas with proper space to maneuver

What factor determines exactly how you set the moldboard?

On-job conditions

Define a competent person

One capable of identifying any existing or predictable hazards in the surrounding area which are hazardous or dangerous to workers.

Who is allowed to ride on a forklift?

Only the operator

Who is allowed to sign as a trainer on your AF Form 171?

Only those individuals designated as "certifiers"

When assembling the oxyacetylene welding equipment, how far do you open each cylinder valve on the oxyacetylene outfit?

Open the acetylene cylinder valve a maximum of 1 1/2 turns; open the oxygen valve fully

In the event fuel should catch fire in a berm, what can you do to reduce the amount of flammable material left to burn?

Open the drain to remove fuel from the bottom

Where do you begin the pretrip inspection?

Opening the engine compartment

What type of drainage inspection should you perfor during or immediately after a rainstorm?

Operational

With whom does the BCE coordinate all snow removal and ice control activities?

Operations flight chief and chief of heavy repair

When service is needed, who must fill low fluids such as engine oil and coolant?

Operator

Give the type and temperature of the hottest oxyacetylene welding outfit flame

Oxidizing flame with a temperature of approximately 6,300 F

When you're bleeding regulators to shut down the portable welding outfit, which valve must you shut first?

Oxygen Valve

What's the difference between the threads on oxygen and acetylene cylinders?

Oxygen connections have right-hand threads, and acetylene connection has two items to prevent a wrong connection; left-hand threads and a V-notch on the connector

Which page of the AF Form 1800 consists of 35 items that assist you when inspecting a vehicle?

Page Three

When you begin to back fill a trench, where do you position the trenches?

Parallel to the windrow

Which of the damage repair steps is teh most critical in regards to timelines?

Pavement cutting

When operating the impactor attachment, why do you start breaking the pavement close to the defect?

Pavement is weaker there and easier to break

After a conflict is over, what type of repairs are designed to turn the airbase to its original condition?

Permanent

During snow removal operations, what must the shift leader do prior to exiting the runway?

Physically check the entire runway to make sure all equipment has exited

What must be done if during spall repair it is noticed that the damage had penetrated through to the base course?

Place a white cone to inform the crater repair team lead

When used for a specific purpose, what are the four types of plan views?

Plot, foundation, framing, and floor plans

What are the outer orifices on a cutting tip used for?

Preheating

What type of inspection must you complete before operating a grader?

Preinspection

What damage can occur through rough acceleration?

Premature mechanical damage to the drive train and to the coupling

What is the purpose of shoring?

Prevent cave-ins

What types of air filters can you find on dozers?

Primary (outer) and secondary (inner) elements

After airfield repairs and opening the base for operations, which unit will take over to continue airfield repairs?

Prime BEEF

Which team transitions the airfield into operate and sustain-the-airbase missions?

Prime BEEF

What snow removal priority includes primary base streets?

Priority Two

What are the two types of flame-gouging techniques?

Progressive and spot

What is the purpose of a crown in the road?

Provide drainage from centerline of road toward shoulders

How do you release pressure on the front-end loader's hydraulic lines?

Pull hydraulic levers towards you, then away

How can you increase or reduce speed in a bulldozer?

Pull lever back to increase speed, push forward to reduce speed.

How do you start the digging cycle with a backhoe?

Pull the dipper back toward the machine

Which rapid runway repair (RRR) equipment set enables the completion of at least 6 craters within 4-hours?

R-2

Of the rapid runway repair (RRR) equipment sets, which one is a supplemental kit capable of repairing 12 craters in 4 hours?

R-3

Before you place a piece of equipment in motion, what can you do to get a feel for the machine?

Raise or adjust the attachments as necessary, and start out slowly, gradually reaching the proper operating speed

Before mats are to be unloaded, whose responsibility is it to ensure the area near the crater is cleared of debris and well swept?

Rapid runway repair (RRR) crater team chief

How should long articles projecting four feet or more beyond the rear of the vehicle be marked to warn other motorists?

Red flag at day or red light at night

What is the purpose of lubrication?

Reduce friction between moving parts

How do you stop rotation of the hydraulic crane?

Return control level to neutral

What must you do to reduce the width of a rubber tire excavator when loading it on a trailer?

Reverse the wheels

What type of plow should you use to plow a confined area where it is easier to change the plow angle than to deadhead?

Reversible

What is the C Horizon?

Rock in it's natural state

What does ROPS stand for?

Rollover protection system or rollover protective structure

A plate tamper is used for compacting what type of soil?

Sand or gravel (granular type base material)

What type of soil is compacted best when saturated with water?

Sand or sandy gravel

What is the advantage of bringing a water truck to the job site to clean a dozer?

Saves time of loading and hauling the dozer to the wash rack

Which compact track loader (CTL) attachment may be used to level repairs with the surrounding surface to bring the repairs within smoothness criteria?

Scarifier

How should snow removal operations begin under calm or parallel wind conditions?

Snow brooms at end of runway, to one side of centerline, work towards shoulder

Why is it important that crane operators know how to perform load weight calculations?

So operators will know size and capacity of the rigging, lifting capacity of crane, and size/type of vehicle needed to transport load.

Why should your unit establish checklists or procedures to follow in the case of tractor-trailer combination pre-trip inspections?

So that every individual inspects the same items, the same way, every time

Why do you let the burners heat up the screed?

So that material will pass smoothly under it.

What two chemicals are effective as ice control measures on streets and parking lots?

Sodium chloride and Calcium chloride

What two types of excavations do not require shoring?

Solid rock or less than 5ft depth inspected by a competent person

If at all possible, constructing a soil-cement road should be restricted during

wet or freezing weather

If the fiber reinforced polymer (FPR) panels were not constructed directly over top of the crater, who assists with placing the foreign object damage (FOD) cover directly over the repair?

Telescopic-boom forklift

Which CTL attachment is meant to cutaway damaged pavement for quick repair?

wheel saw

What are the three most common types of warning signs discussed in this lesson?

Temporary traffic control, horizontal alignment, and intersection warning

When anchoring the folded fiberglass mat, which sides must be secured?

The leading and trailing edges

What is used to center the bubble of a bulls-eye level?

The leveling screws on a triangular footplate

In addition to the boundaries of the construction site, what does a plot plan show?

The location of the project in relation to boundaries and existing structures, along with the ground contour, roads, and walks; it also locates utility lines such as sewer, electric, water, and gas.

What is included on the BOM?

The materials needed to do the project and the quantities of each

What is the recommended way of checking welding hoses for gas leaks?

Submerge the hoses in a bucket of clear water; a leak is indicated by a string of bubbles. This method is inexpensive and instantly identifies all leaks

What purpose does the shoes on a plow or blower head assembly serve?

Support the weight and protect the moldboard from being worn or damaged

A GPS reference receiver is set up on what type of point?

Surveyed point

What type of crater repair do we make to upgrade expedient repairs?

Sustainment

How do you determine the correct speed to discharge the material being swept effectively?

Sweep at a high enough broom speed and low enough ground speed. Watch the material as it leaves broom and periodically check behind you

What is the last step in the airfield damage repair (ADR) process before flying operations can begin?

Sweeping operations

How can you keep your speed up when plowing windrows with a rollover plow?

Taking less than a full blade of snow or by drifting out of the windrow until you regain speed and pulling back into the windrow.

For a construction project, what is another way to view a sequence of events?

Tasks to be completed

What type of hand tools should you use when working around flammable substances?

Spark-resistant tools made of non-ferrous materials

What are three reasons for hauling construction equipment?

Speed, wear on equipment, protection of roads and improved areas.

What do wheeled pavers have a tendency to do that tracked pavers do not?

Spin the tires

What two adjustments on the gutter broom should the operator be concerned with?

Spring and Tilt

How will you know what shackles rated capacity or WLL is?

Stamped or embossed with size

When you must spread materials, where do you spread the first load?

Start of the fill

Which item allows two AM-2 mat laying teams to start work in the middle of a runway and work in opposite directions towards the end of the runway?

Starter key-lock

Why is fueling a piece of equipment with the engine running dangerous?

Static electricity can build and lead to spark when putting nozzle in the tank potentially igniting vapors causing explosion

What information must be available for the pre-season committee meeting?

Status of equipment

How do you remove an object that is caught in the digging chain of a trencher?

Stop operation. Place transmission in reverse to dislodge. If can not, raise chain, stop transmission and remove with hand.

What are the procedures for spreading materials in layers?

Stop the truck where you want to spread. Place the dump control levers in the proper position. Raise the bed about a foot. Trip the tailgate as you drive forward in low gear

What three items do you use to measure the depth of a trench?

Straight board, carpenters level, measuring stick

List the specific cutting operations you can do using the oxyacetylene process

Straight-line cutting, circular cutting, piercing holes, beveling, cutting round stock, flame gouging

What items are P&E Personnel assigned to inspect and maintain?

Street signs. Inspect non-paved roads. Inspect paved roads. Inspect non-paved parking lot. Inspect paved parking lot. Sidewalk. Airfield pavement. Chainlink fence inspection. Fence, non-chainlink (ex: barbed wire)

What does the roller screen do to the top layer of concrete as it moves along the forms?

Strikes it off

Where can you find subject knowledge based training for dump truck tailgate removal and installation training?

The AFQTP

Which AF Form is used to document your prescribed certification training and is essentially proof of your abilities?

The Air Force Form 483, Certificate of Competency

Who is directly responsible to the support group commander for all S&IC activities?

The BCE

Who ultimately has the responsibility for sweeping airfield pavements?

The BCE

What is meant by the term plasticity?

The ability of a soil to be molded into shapes without cracking or appreciable volume change

What must be cleaned before operating the K-12 saw to avoid the saw stopping unexpectedly?

The air filter

Why should you never stand outside the sawed or defective area when using a pneumatic hammer?

The bit will tend to vibrate against the vertical face and damage the adjacent area

Besides showing you what has to be built, what else will a drawing show you?

The boundaries, contours. and outstanding physical characteristics of the construction site and its adjoining areas. Succeeding drawings will provide instructions for the excavation of utility lines, disposition of existing ground, erection of foundations, and anything else needed to complete the construction project.

Explain why you should not use compressed air to clean equipment

The chips and dust thrown into the air create hazards

Why does GPS on board computer require a detailed computer design of the site?

The design is used to compute the cut or fill at any particular location using elevation data from the GPS

Define soil gradation

The distribution of different size groups within the soil sample

Why must operators know how much power is required for the electric tools to be powered by the generator?

The generator or power tool can be overloaded and damaged

Define the term elevation

The height of a point or a particular spot above or below a reference line

Who designates the required minimum hours of training for an individual pieces of equipment or vehicles?

The individual's unit or the Vehicles Operations flight

What types of problems are walk-around inspections designed to detect?

The most obvious defects such as leaks, broken or missing items, flat tires, and so forth

Whose responsibility is it to put air in the tires of powered equipment?

The operator's

How do the regulators used for heavy cutting operations differ from those used for oxyacetylene welding?

The oxygen regulators used for cutting heavy material furnish a larger volume and higher pressure than is needed for welding

What is the only difference between inspection and maintenance of powered equipment and heavy equipment?

The size and scope of the equipment

What dictates the types and amount of equipment you have on your project?

The size of the project

What is one way you can tell the difference between a dry and a wet cut blade on a concrete saw?

The spaces are wider and deeper in the dry cut which provides an air cooling effect to keep the blade from warping.

Poorly graded soil is usually..

Uniform graded or gap graded

How long must a whole welding outfit be out of commission if you damage any part of it?

Until the damaged part is replaced or repaired

What precaution should you take when parking a trailer on soft ground or asphalt?

Use a board or some other type of material under the landing gear to prevent sinking

How do you move a load with a forklift when you have poor visibility?

Use a spotter

If you are driving over dry and level pavement, how do you brake for a normal stop with a tractor-trailer?

Use the foot(service) brakes alone which controls both.

What formula is used to calculate volume?

V = A x H

Due to potential risk of electrocution, what is important for technicians to be aware of when operating near generators?

Weather and ground conditions around them to keep the generator, power cord, and tools dry.

During load estimation, what items must be included?

Weight of items to be lifted and all gear being used to rig crane to load.

When would you operate the front-end loader with the range-control lever in position 1?

When performing loading and excavating work

When do you use slings made of chains?

When sharp edges are present or items are hot.

When is snow removal equipment given priority over aircraft operations on the runway?

When snow conditions could jeopardize the runway serviceability and cause the installation to be closed to flying

What kind of snow condition requires using the air-blast from teh snow broom to make periodic passes to clear the runway lights?

When snowfall is light

What causes mopping?

When the broom is working with the side of the bristles, and not just the tips

When do you travel with the bucket facing the top of the slope?

When the bucket is full

When is a center line used on a drawing?

When the center of the object must be used as a reference

How can the water pump lose its prime?

When the pump is empty of water, or when air is allowed to enter the intake

When can an additional two feet of material be excavated below the bottom of the shoring?

When the system is designed to resist the forces calculated for the full depth of the trench

In backfilling culverts, when is it okay for the dozer to cross the culvert?

When there is at least 12 inches of material on top of the culvert

When must you use a GFI?

When you use a temporary power source for construction

When must you wear rubber protective gloves?

Whenever you use acids, alkalis, and other harmful chemicals

Where is the center of gravity on a load?

Where all the weight is concentrated

What do the large red marks represent on the Philadelphia rod?

Whole foot marks

What would be some special instructions to list on a working drawing you are preparing for a sidewalk?

Width & thickness of the concrete. Type of finish on the sidewalk. Type and mixture of the concrete to be used. Required site preparation. Reinforcement requirements, if needed. Types of forms to be used.

What tool is used to stretch the fence fabric?

Wire stretcher or "come-along"

When does snow clearing on top-priority areas begin?

With the start of any accumulation

How is the tripod legs of the leveling instrument set on sloping surfaces?

With two legs downhill

On a construction drawing, what do symbols illustrate?

Words or groups of words

What three things does maintaining proper engine speed do for you?

Work quicker, Accelerate faster, operate more safely

How do you apply down pressure to the rear-mounted ripper?

Working the hydraulic ram between the dozer and the toolbar, thus using a portion of the dozer weight to increase down pressure.

What must happen before you are allowed to operate any equipment on the flightline?

You must receive special flight line training at your base of assignment and have this annotated on an AF Form 483, Certificate of Competency.

What does the way you store your tools indicate?

Your ability to use tools and your appreciation for them

What exactly is an AF Form 2293?

Your government driver's license

If you have not operated a particular piece of equipment and do not know how, where is the first place you should go for help?

Your supervisor

To whom do you report any hazardous situation you encounter while doing your job?

Your supervisor

When operating conditions prevent an automatic regeneration, what is required of the operator?

a parked regeneration process

What tools might you need prior to preparing a construction drawing?

a straight-edge (ruler), soft-leaded pencil, plain white paper, 90 degree triangle

French drains are not recommended for permanent construction because they have

a tendency to silt up

What is the purpose of a tack coat?

acts as glue between two layers of asphalt

What substance is present in the concrete mix to make pop-outs occur?

alkali

What types of cracks are interconnected and form a series of small blocks resembling chicken wire?

alligator

Notches are created in the center of check dams to

allow for the normal flow of water

What is the only real difference between laying out a large area and a small area?

amount of work

What do shoulders provide motorists?

an emergency lane

What is the recommended height of a berm?

as high as the structure or as practical

When should you apply chemical membranes?

as soon as the concrete is finished

What two construction materials can you recycle to use for other purposes?

asphalt and concrete

Sustainment Pavement Repair (SuPR) kits provide the capability to perform durable

asphalt and concrete pavement maintenance and repair

Which of these materials can be used with damp aggregate?

asphalt emulsion

What three excavator attachments can greatly increase the versatility of the machine

impactor, compactor, bucket

Finish rolling is done solely to

improve the surface

One purpose of air-entraining agents is to

increase resistance to the action of chemicals

You should add calcium chloride to a concrete mixture to

increase the concrete's early strength

What are the four types of inspection for a crane?

initial, periodic, frequent, pre-op

Other than greasing a dowel, what can be done to allow for movement?

install plastic sleeves

When you are ready to move the dozer, how do you position the blade?

just high enough to clear any obstructions

Road shoulders protect the basic pavement structure by giving what kind of support?

lateral

When you install the required number of mats for the desired runway width, you should check the alignment of AM-2 matting after

laying each row

If you turn the steering wheel to the right when backing a tractor-trailer, what direction will the rear of the trailer go?

left

What will happen if you use the same length sling legs on a load where the weight is distributed unequally?

load will tilt when lifted

What are the four phases in the operating cycle of a scraper?

loading, hauling, spreading/unloading, returning

What is the best way to operate the dozer while ripping?

low-range or slow track speed with max number of teeth.

A horizontal gap of 1 inch between the edges of the folded fiberglass mat and the ramp is required to allow for

mat removal or replacement

Immediately before you apply slurry, the pavement surface should be thoroughly cleaned, broomed, and

moistened with a light application of water

Expeditious asphalt spall repairs are not expected to last 100 passes, therefore if signs of failure appear, the repairs must be constantly

monitored and repaired immediately

What is the purpose of performing a shoulder pick up?

move windrow away from foreslope of ditch

What type of winching operation involves securing the dozer winch line to a structure sufficient enough to hold the dozer on the slope?

moving

What action must be taken for a crack measuring 3/16 of an inch or less?

no action is necessary

Can you use the same weight of asphalt for multiple mixes when computing requirements?

no, asphalt weight varies by mix design

What type of string is best to use should you use as a guide for setting forms?

nylon

You can prevent wooden keyways from cracking by

oiling and grooving with a saw kerf

Each additional layer of aggregate for a multiple surface treatment should be about

one-half the size of the previous layer

What is the most common cause of cracking in concrete pavements?

overloading by traffic

The ends of cylinders used for testing must be finished carefully; if they are not

perfectly flat, the results could be skewed

Today's asphalt cements are graded according to

performance

Which curing method should you not use when discoloration is objectionable?

plastic films

As soon as the aggregate is spread for a single surface treatment, it is pushed into the soft asphalt by rolling it with a

pneumatic-tire roller

Large cracks in pavement are prepared for repair in the same way as

potholes

small and medium cracks in flexible pavement can be sealed individually with a

prepared joint sealer

You should treat the bottom of vertical dry wells with calcium chloride or hay to

prevent freezing

One purpose of an emulsion slurry seal is to

prevent moisture intrusion into the pavement

The purpose of revetments are to

protect parked aircraft and essential facilities

normally edge cracks are caused by a concentration of traffic loads near the edge, aggravated by a lack of

side or shoulder support

What should you do if you cannot see the next lower foot mark through the level instrument?

signal or ask the rod-person to "raise for red"

When the shelter is placed in storage for a lengthy period, inspect it at

six month intervals

How is the strength of wire rope determined?

size, grade, and method of fabrication

What type of crack in flexible pavement is caused by a lack of bond between the surface layer and the course beneath?

slippage

What bulldozing method uses spillage of previous cuts to keep the blade full?

slot-dozing

If a dowel is to be placed across an expansion joint, it must be

smooth

The defect characterized by chipping or breaking away of concrete at joints, cracks, or edges is called

spalling

The area of a rectangle 8 feet by 12 feet is 96

square feet

What item is used to force sealing material into the cracks in flexible pavements?

squeegee

If you want a dense, smooth surface, follow the initial floating by

steel troweling

What is the proper procedure for starting a side-hill cut?

straight down the hill with short passes

Which of the following is not a purpose of a bituminous surface treatment?

strengthen the surface

Holes in perforated pipe should be placed up when the

structure is to be placed along the side of the pavement

The base course distributes wheel load stresses to the

subgrade

The ideal person to note failures and deficiencies of pavements while conducting their daily duties is the

sweeper operator

What can you do to the pile of concrete after a slump test is completed to indicate its cohesiveness, workability, and placeability?

tap gently with a tamping rod

What is the most modern and convenient method used to mount equipment on a tractor?

three-point hitch

If your crane has a dielectric boom shield, where is it mounted?

to the boom tip section

What is the purpose of load binders?

to tighten chains for securing loads in place

RCR can be conducted with what type of equipment?

tow-behind grip tester

What are the two distinct sections of a scraper?

tractor and scraper assembly

The causes of corrugation in flexible pavement is normally the result of

traffic action, including braking, acceleration and bouncing

If you are driving a tractor-trailer and have to stop on an incline, what brake system would you use to prevent a rollback?

trailer handbrake

What determines the method you should use to secure cargo on a vehicle?

type of material or equipment, the speed, the distance of travel.

What is the quickest way to reduce time when filling a water truck?

use a fill station

What is the most widely used mechanical method for consolidating concrete?

vibe

What is directly or indirectly responsible for most pavement failures and deterioration?

water

The main factor affecting concrete's strength is the

water-cement ratio and hydration that has occurred