Millwright Level 1

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When angles are laid out with a bevel protractor, the accuracy attainable is:

+/- 0.5 degrees (30mins)

Vernier micrometer scale level of accuracy is:

0.0001"

Vernier micrometers are designed to measures distances to what accuracy?

0.0001"

Regular micrometer scale level of accuracy is:

0.001"

Precision layout with a vernier height gauge is accurate to:

0.001" or 0.02MM

For brazing, what fit up produces highest strength ratings?

0.001-0.005"

What feed rate is used for finishing?

0.002-0.005 inches per revolution

The cutting action of a hand broach is performed by a series of successive teeth, each protruding:

0.003" further that the preceding tooth

The major diameter of a thread is shown on a drawing as 0.748 +/- 0.002. What is the tolerance on the major diameter?

0.004

How much material should leave for reaming?

0.005"

What is the taper per foot for an arbor?

0.006-0.008" per foot

How much material should you leave for finishing?

0.030"

An infeed of 0.050 on a direct reading cross-slide results in a diameter reduction of:

0.050

You have to choose between 4 steel rods to cut 1/2-13 UNC 2A thread with an adjustable split die. What diameter rod would you use?

0.497"

What is the taper per foot for a jacobs taper?

0.591-0.979" per foot

What is the construction of a micrometer?

1. Anvil 2. Spindle 3. Sleeve 4. Thimble 5. Ratchet 6. Lock nut 7. Frame

What are 2 types of cleaning?

1. Chemical 2. Mechanical

What are the 4 CSA ratings for ladders and application?

1. Extra heavy duty (industrial construction) 2. Heavy duty (building maintenance) 3. Medium duty (light commercial) 4. Light duty (household)

What are the 2 angles of orthographic drawings?

1. First angle (Europe) 2. Third (North America)

6 colours ranging from lowest strength to highest strength for power load are:

1. Grey 2. Brown 3. Green 4. Yellow 5. Red 6. Purple

What are the 2 types of pictorial drawings?

1. Orthographic 2. Oblique

What are 3 types of technical drawings?

1. Orthographic 2. Pictorial 3. Schematic

What 3 things does a GFCI protect:

1. Overload 2. Overcurrent 3. Ground fault protection

What are the 3 types of tolerances?

1. Unilateral 2. Bilateral 3. Direct

As a general rule, the maximum depth of cut for an endmill is equal to:

1/2 the diameter of the endmill

With a low velocity tool, what is a general rule of thumb for the placement and depth of fasteners in steel?

1/2" from the edge, 2" apart and 1/4" deep

Flanges should at least be:

1/3 the diameter of the wheel

What is the amount of taper on taper pins?

1/4" per foot

What is the taper per foot of a tapered dowel pin?

1/4" per foot

On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed:

1/8 inch

What is the taper per foot of a tapered gib head key?

1/8" per foot

A general-purpose drill bit for drilling most metals has an included point angle of:

118 degrees

What is the minimum safe distance from which an electric arc should be seen with the naked eye?

12M (40ft)

At what dB level would most people start feeling pain in there ears?

140 dB

What is the maximum safe working pressure for acetylene?

15 PSI

What pitch of a hacksaw blade is for general shop use?

18-pitch

A follower rest has:

2 adjustable jaws

When tapping a hole with a pipe tap, how many threads of the nipple should be able to turn into the hole before the use of a wrench becomes necessary?

2-3 threads

What is the tap drill size for a 3/4-10 UNC 2B?

21/32"

How much does propane expand when changed into gas?

270 times its volume

At what PSI is acetylene considered at its critical point?

28 PSI

What kind of threads do Acme threads have?

29 degree angle and the root and crests are flat

The thread angle from an American National Acme Thread is:

29 degress

An ISO metric thread is designated by M14 x 2 - 6g. What is the pitch of this thread?

2MM

The unified thread class that offers the tightest fit is:

3

What is the taper per foot used on milling machine spindles?

3 1/2" per foot

How many teeth should be in contact with material when using a hack saw?

3 teeth

With a low velocity tool, what is a general rule of thumb for the placement and depth of fasteners in concrete?

3" from the edge and from each other

What taper do pipe taps have?

3/4inch per foot

Isometric has __ angle:

30 degree

How long should you wait if a power actuated tool misfires?

30 seconds

The compound rest may be rotated:

360 degrees

A standard micrometer screw has what number of threads per inch?

40 TPI

What angle would the point angle of a cold chisel be ground to when splitting nuts?

40-50 degrees

Oblique has __ angle:

45 degree

Is 46 or 60 the coarser grit?

46

What is the ratio of height to distance from the foot of a ladder to the support structure?

4:1 or 75.5 degrees L/4=S

What is the level of accuracy for a universal bevel protractor?

5 minutes of a degree

How many minutes are in a degree?

60 minutes

What are the drill point included angles for soft, general and hard material?

60-90 degrees for soft, 118 degrees for general and 150 degrees for hard material

Which type of rod is best suite for high carbon steel in overhead postion?

7018

How fast should a 1/2" drill turn when drilling mild steel if the cutting speed is 90 sfpm?

720 RPM

What percentage does a tap drill leave for making threads?

75 percent

The lip relief (clearance) angle of a drill should be:

8-12 degrees

A temporary fall arrest system anchor point must have what minimum capacity to resist a fall?

800 LBS

The included point angle of a countersunk hole for most flathead screws is:

82 degrees

What is the maximum sound intensity (dB) a worker can be exposed to during an 8 hour shift before hearing protection should be worn?

85 dB

The included angle that should be ground of the point of a center punch is:

90 degrees

In oxyacetylene, how pure is oxygen?

99.5% pure oxygen

What is limestone?

A flux that is added when forging steel to remove impurities

What is a scarf joint?

A mix of a butt and lap joint

The apron handwheel moves the carriage by means of:

A rack and pinion

What are the 2 styles of ladders?

Access and working

Carburizing flames are rich in:

Acetylene

What gas is most efficient for welding purposes?

Acetylene

What is amalgamation?

Action/process or result of combining/uniting

What are the differences between acute an chronic toxic effects?

Acute is short term exposure but in high concentrations and chronic is long term exposure but in low concentrations

What is affected when drill bit tapers get damaged?

Alignment and locking capability

What is flashback?

Almost the same as backfire. Cause by grossly unequal pressures. One gas may go back into another line and create an explosive mixture

What are the 2 most commonly used abrasive materials?

Aluminum oxide and silicone carbide

What does API stand for

American Petroleum Institue

How is feed rate controlled on a horizontal band saw?

An adjustable hydraulic cylinder

The difference between a screw and a bolt is the:

Application

What speed should a countersink and counterbore be set at?

Approximately 1/4 of what you would use for a drill

How are metric tapers designated?

As a ratio 1:25

The designation that identifies a nut is:

B

What are 2 dial reading styles?

Balanced and continuous

Markings for the wheel identification can be found on the _______

Blotter

Where should you place the weld when you are welding band saw blades?

Bottom of a tooth gullet

What are 3 types of dial indicators?

Bottom plunger, test indicators and back plunger

To determine the sustainability of a base material, use a fastener as a centre punch struck by a single average hammer blow. If the material cracks or shatters, do not fasten because the material is too:

Brittle

What increases as hardness of a metal increases?

Brittleness

What part requires replacement most often in a low velocity tool?

Buffer

What does C mean in AISI manufacturing process of steel?

C= Basic open hearth carbon steel

What is the draw limit for acetylene?

Can't be emptied faster than 1/7th of its capacity per hour

What type of chisel would be used to cut a narrow square shaped groove in a piece of mild steel?

Cape chisel

What is maraging steel?

Carbon is considered an impurity. Made up of nickel, cobalt and molybdenum

What type of electrode is used in the CAC-A process

Carbon-graphite

Anything over 1.7% of carbon is considered:

Cast iron

What is tracking as it relates to band saw?

Centering the blade on the pulleys

The ________ is the amount of metal removed by each tooth per revolution

Chip load

Hand reamers must be rotated:

Clockwise

What characteristics does propane have?

Colourless, odourless and non-toxic

What are the properties of oxygen?

Colourless, odourless and tasteless as well as supports combustion

What is a vernier scale?

Compares 2 sets of graduations to magnify the accuracy of the measuerment

What are dial bore gauges?

Comparison measurement tool

A standard screwdriver blade maintains a better grip in the slot if the blade is ground slightly:

Concave

What controls the feed rate on a milling machine?

Controlled by gearbox found in knee. Levers are picked for speed or can be picked with a dial for lighter milling

Why are thread forming screws used?

Convenient in sheet metal assemblies

The finish on a thread can be enhanced by using:

Coolant

Chips left on the ways are a concern because:

Coolant on chips can cause rusting

What is the primary purpose of the secondary gas in plasma arc cutting?

Cools the torch

Plasma cutting nozzles are normally made of what material?

Copper

Power loads should not be carried loosely in pockets or aprons. Why?

Could be set off causing serious injury or death

Why should you store end mills separate from one another?

Cutting edges could chip and wear

What is a taper gauge used for ?

Determining the width of a slot or diameter of a hole and amount of angular misalignment

What is the correct tool to turn a die?

Die stock

What kind of tool is a taper gauge?

Direct reading tool

When using a sensitive drill press, what should you do as the drill breaks through the workpiece?

Ease up on the pressure

What is straight polarity and what does it effect?

Electrode negative (EN) work positive. Burns hotter, faster welding speed, wide metal flow, shallow penetration and hard to control when position welding

What is reverse polarity and what does it effect?

Electrode positive (EP) work negative. Cooler burning, slower weld speed, narrow metal flow, deeper penetration and better control when position welding

When installing a taper shank drill into the spindle bore, you must take several precautions. What are they and why?

Ensure taper and bore are clean, wipe with a rag without scraping/marking internal taper, any burrs are removed or it'll throw the bit off center

OH&S states that operators of explosive actuate tools should always wear:

Eye protection

What is the difference between fall arrest and fall restraint?

Fall arrest stops someones free fall and fall restraint stops someone from reaching a fall hazard

A GFCI prevents all electrical shocks

False

Cemented carbides are sharpened on aluminum oxide wheels

False

Is it safe to carry a portable grinder by the power cord?

False

Is it safe to use standard sockets with electric impact wrenches

False

Small drills require a higher feed per revolution than larger ones.

False

Cotter pins can be reused

False. Cotter pins are a one time use

The pitch diameter of a thread is measured exactly halfway between the major and minor diameters

False. Its APPROXIMATELY halfway between the major and minor diameter

Only steel with a carbon content of .10 and higher percent can be hardened

False. Only steel with a carbon content of 0.20 percent and higher can be hardened

Determine the feed rate if a milling machine spindle has a speed of 200rpm and the cutter has 6 cutting edges with a chip load of 0.003"

Feed= Chip Load x Spindle Speed x # of Teeth 0.003 x 200 x 6 = 3.6

What is conventional milling?

Feeds against the rotation of the cutter and tends to lift the workpiece

What is climb milling?

Feeds into the rotation of the cutter and bites into the material pushing it down and into the table

Austenite is:

Ferrite but heated to red hot

Copper sulphate layout solution should be used on:

Ferrous metals

What is brazing?

Filler metal is spread through capillary attraction

How is a Woodruff key sized?

First 2 numbers are multiplied by 1/32" and second set of numbers are multiplied by 1/8"

What is a hissing or squealing sound emitting from a cutting torch a sign of?

Flashback

Direct current (DC) is:

Flows 1 way and either has a positive or negative value

What is a worker responsible for?

For own safety Wear proper PPE Not remove any safeties Have proper instruction of a piece of equipment Use tools properly

What is braze welding?

Form of gas welding, filler metal is built up on surface

What would be best suited for your protection if you are required to work with electric power in a damp/wet space

GFCI

If you are cleaning parts in a typical solvent tank, which of the following would provide the best protection for your eyes?

Goggles

What classification of ladders may be used for construction purposes?

Grade 3

On a general purpose ISO metric thread, what character in the designation indicates a medium tolerance grade?

Grade 6

The grade of surface plate which would be used in the shop is the:

Grade B

Higher voltage on a battery means:

Greater power of tool

What is the advantage of using a bimetal blade in a band saw?

Greater wear and heat resistance, faster cutting and better durability

What are the four classes of fire? (Colour, letter and shape)

Green Triangle (A) = Ordinary combustibles Red Square (B) = Vapours Blue Circle (C) = Electrical Yellow Star (D) = Combustible metals

To determine the sustainability of a base material, use a fastener as a centre punch struck by a single average hammer blow. If the fastener is blunted ( meaning it can't fasten) the material is too:

Hard

What are the removable serrated jaws on a bench vise made from?

Hardened steel

A high pitch blade number is generally used for:

Harder and thinner material

What is an Intrimik?

Has 3 contact points rather than 2 making it self centering

What does the fire triangle consist of?

Heat, fuel and oxygen

Is propane heavier or lighter than air?

Heavier

Describe the characteristics of a bimetal power hacksaw blade

High speed tooth edge with a tough alloy steel back

What are cap screws made of?

High tensile steel

Cutting speed refers to:

How fast the workpiece travels past the tool

Which abbreviations is used to express the feed rate on a drill press?

IPR

Barrel finishing:

IS a quick and inexpensive cleaning method

When using a puller or press and removing a bearing from a shaft what should you do?

Inspect and clean shaft area

Alkaline cleaning must only be used on what metal?

Iron

Pearlite is:

Iron and carbon

Cementite is:

Iron and carbon where iron is dominant

Why is pressurized air NOT a good method of removing metal chips from hard to reach places on a milling machine?

It can get jammed under the ways or caught in the spindle taper. They can also cause burns/infections

What are the limitations of a horizontal band saw as it relates to cutting curves or round corners?

It can only cut straight

How often should an explosive actuated tool be cleaned under normal working conditions?

It should be cleaned daily or when it becomes sluggish

What is ageing in terms of cast iron?

Its a stress relieving process

Any machined surfaces on a drill press that could rust must be:

Kept clean and oiled

How does the blade set differ from the blade kerf?

Kerf is the width the blade cuts and set is the way individual teeth are bent out of line with the body

What are the types of hazardous energy?

Kinetic, chemical, potential, thermal, electrical and radiation

What scribe has the highest degree of accuracy?

Knife edge

What determines the size (capacity) of a power hacksaw?

Largest square piece that can be cut

If a milling machine is shit down for repair:

Lock out the main breaker box

When changing back-gears on a lathe:

Lock out the power supply

What is backfire?

Makes a bang/pop sound. cause by grossly unequal pressures and little gas flow

Fasteners used in explosive actuated tools are:

Manufactured from special steel and tempered

If a tool is found to be defective, you should:

Mark it defective and call a service representative

What is base material?

Material which the fastener shank is driven into

What characteristics differentiate styles of band saw blades?

Material, width, gauge, pitch, type of tooth

The size of a lathe is determined by:

Maximum distance between the centres and the amount of swing

What is amperage responsible for?

Metal deposition rate and penetration

A threaded knurled pin is designed for what material

Mild steel

What type of taper is used in the tailstock?

Morse taper

What are 2 types of tapered thread form?

NPT and NPTF

What type of flame is used to fusion weld low carbon steel?

Neutral

When tightening a bolt with a wrench:

Never push: always pull

What is the recommended speed to run a grinding wheel?

Never run it faster that the max RPM of the grinding wheel

Should an explosive actuated tool be used in explosive or flammable area?

No

IS it necessary to turn a horizontal band saw off manually after completing a cutting operation? Why or Why not?

No because a switch is automatically activated by the downward motion of the upper frame

Is it safe to run an impact wrench with a universal joint and socket attached

No because it may throw off attachments

How much oil should be added to the tool parts after cleaning?

None

What is full annealing?

Opposite of hardening

Flame temperature changes with the addition of:

Oxygen

Oxidizing flames are right in:

Oxygen

What best describes a "confined space"?

Partially/totally enclosed space not designed for human occupancy with a limited access

Cutting speed refers to:

Peripheral speed

A drive pin is a fastener used to:

Permanently attach one material to another

Thread comparison gauges use __________ as a basis for thread size

Pitch diameter

When cutting short pieces to length, what can be done to ensure that the jaws of the clamping device make good contact and do not distort

Placing a similar piece in the back

Which vise is the most rigid vise for a milling machine? Why?

Plain vise because the swivel and universal vise hold the work to high

What is a poor example of housekeeping?

Poor lighting

Alternating current (AC) is:

Positive and negative values that flow in 1 direction for the first half of the cycle and then flows in reverse in the next half of the cyle

What type of power load must be used in the low velocity tool? Why?

Power load with a crimped end must be used cause high power load would get lodged in the tool

What is the Workers' Compensation Act?

Provincial legislation to protect workers

Ferrite is:

Pure iron

When grinding HSS, you must remember to:

Quench often

You are machining a 4.5 inch diameter steel shaft with a carbide tool. To machine it at 290 surface feet per minute, what should the approximate rpm of the spindle be?

RPM = (CS x 4)/ D (290 x 4)/4.5= 257.7777 or 255

How does the speed and feed of a reamer compare to a drill?

RPM is slower and feed is faster

What does a dial caliper use to move its pointer around the face of a dial

Rack and pinion

Martensite is:

Rapid cooling of austenite

What method provides most accurate measurement when it comes to a micrometer?

Ratchet method because it releases at the same pressure every time

What is another name for a power saw?

Reciprocating saw

Before using a gauge block, you should take which of the following actions?

Remove the rust preventative compound

What is the purpose of truing a grinding wheel?

Restores the shape of the wheel and makes the outer surface of the wheel concentric with its bore

What is required for every work platform?

Safe access

What is another name for Hand Pads or Rolls?

Scotch-Brite pads

What is the highest safe standing level on a step ladder?

Second form the top

What is the purpose of a GFCI?

Senses drop in current and switches power off

Where is the datum line on a micrometer?

Sleeve

To determine the sustainability of a base material, use a fastener as a centre punch struck by a single average hammer blow. If the fastener penetrates easily, do not fasten because the material is too:

Soft

Which type of machine tap pushes the hip out ahead of the tap?

Spiral pint (gun) tap

What are 2 types of dividers?

Spring joint and firm joint

How should you start a grinder?

Stand off to the side and wait a full minute

What is voltage responsible for?

Starting and maintaining arc, puddle fluidity, and flow

What is Voltage responsible for in arc welding?

Starting arc

What is the main purpose of stop blocks?

Stop the workpiece from shifting under load

How is the speed of a power hacksaw expressed?

Strokes per minute

A rope grab in horizontal life line can cause what kind of hazard?

Swing rope harzard

A revolving centre is installed in the:

Tailstock

The tailstock is in position on the ways of the lathe with the:

Tailstock clamp

Once you have set a taper attachment to a desired angle, what important step must you follow?

Take a trial cut and measure the taper

The 3 hand taps found in a set are the:

Taper, plug and bottoming

What is different about the scale of a depth micrometer from a regular micrometer?

The distance measured is covered by the thimble

What draws the arbor or collet chuck into the spindle of the milling machine?

The draw bolt

What is a negative result of using a tool post grinder on a lathe?

The dust can destroy the ways

If the blade jumps and shudders when you are using a horizontal band saw, what could be the problem?

The feed rate is too high

The pitch of a thread cut on a lathe is controlled y:

The lead screw

Who is responsible if an accident occurs as a result of an unattended explosive actuated tool?

The operator

What makes a universal horizontal milling machine different from a plain horizontal milling machine

The table can be swivelled

The manual oil pump on the carriage pumps oil to:

The ways

Cutting a taper with a compound rest has what major disadvantage?

There is no power feed

What re the saw guides and where should you place them when you are using a horizontal band saw?

They guide the blade and should be adjusted to as close as possible to the work

Rolled threads are advantageous over machined threads because:

They have increased tensile strength They produce a burnished thread finish They have better wear resistance which reduces fatigue and shear problems

What can a damaged plasma torch shield cause?

Tip to overheat

Why is the pressure removed from the blade of a power hack saw on the return stroke?

To prevent damage to the blade

Why should you clean an lightly oil milling machine tables?

To prevent rusting which causes loss of accuracy

Carbon arc cutting can trim or cut parts made of ferrous and some non-ferrous metals

True

Do not fasten near welds with a low velocity tool because the steel may have been hardened making the metal brittle

True

Hex set screws may sometimes be doubled up

True

Most cordless drills have torque control

True

Overreaching will cause the ladder to tip over

True

Prolonged use of power or air tools can cause carpal tunnel sydrome

True

Side rails should extend a minimum of 1M above platform

True

The larger the power drill, the slower the RPMs and the higher the torque

True

Toe boards can't be less than 3.5" in height from surface work area

True

Welding tip sizes are 000,00,0 and 1-10

True

Wet wood can conduct electricity

True

When finishing with an emery cloth, the end held in your left hand passes under the workpiece and the end coming over the top it held in your right right hand

True

When the grain structure opens up in braze welding, tinning/amalgamation can occur

True

Worn wipers could allow chips to get between the carriage and the ways

True

You can use V-blocks on a milling machine

True

You must bleed all residual pressure when locking out

True

You must used the correct RPM when using a center drill or you will dull/break the bit

True

A drill press has a #2 Morse taper. A twist drill with a #3 Morse taper shank must be mounted in the spindle. How should you secure the drill in the spindle?

Use a drill socket

What is a shim used for on a milling machine?

Used as packing when supporting a work piece or lifting the back end of a strap clamp

How are step drills used?

Used to drill and then countersink

What is another name for a contour band saw?

Vertical band saw

What conditions would you use a GFCI

Wet conditions

For what purpose is the diamond dresser used?

When a very fine finish is required

When would you tighten the backlash eliminator

When climb milling

What is burnback?

When combustion takes place in tip/mixer causing black smoke, red sparks and a screeching sound from the tip

How do you designate the size of a bench vise?

Width of jaws

What is the level of accuracy for a plate protractor?

Within 1 degree

Can you use conventional drill bits with a hammer drill? Why or why not?

Yes of the hammer drill has a switch to turn off hammer action

What is the advantage of a dial bore gauge?

You can move it to various positions with making any adjustments

What is ZMS in terms of lockout?

Zero mechanical state

Which part of the combination set would be used to find the centre on the end of a shaft?

a centre head and rule

Tension load in regards to explosive actuated tools is:

a force applied perpendicular to the base of the material

Shear load in regards to explosive actuated tools is:

a force applied perpendicular to the fastener

An O-ring groove would be cut with:

a form tool

A rivet is:

a permanent fastener

The result of knurling is:

a workpiece slightly larger in diameter

Under properties of abrasives, to what does the term hardness refer?

ability of a material to scratch or penetrate another material

The removable serrated jaws on a bench vise made from:

aluminum

The kind of abrasive material use in grinding wheels for general purpose application is:

aluminum oxide

The kind of abrasive material used in grinding wheels for general purpose applications is:

aluminum oxide

Constant current maintains _______ and varies _______

amperage, voltage

A no go ring gauge is easliy identified by:

annular ring on the knurled surface

The purpose of the overarm is to support the ____________, which in turn supports the __________

arbor supports, free end of arbor

The ____ is the part of the wheel that holds the grains together

bond

What is a purpose of a flat (cold) chisel?

cutting off rivets

A high feed rate cuts metal quickly but:

decreases tool life

Cutting fluids are mainly used for:

decreasing heat and friction

Which variable is the most important when determining spindle speed?

diameter of the drill

To remove a tapered shank twist drill from the drill press spindle, use a:

drill drift

The hand drill is quicker and more versatile than any drill press for:

drilling small non-vertical holes

According to OH&S, what safety equipment is required when using an explosive actuate tool in a confined area such as a small room?

ear plugs and eye protection

To achieve a good knurl, you should:

flood the workpiece with coolant

The chuck best suited to holding odd-shaped pieces is the:

four-jaw chuck

Marks on the head of a bolt indicate the:

grade and tensile strength

What is a chisel made from?

high carbon steel

When filing a workpiece in a lathe hold the file handle:

in your left hand

What is a major cause of incomplete penetration?

incorrect joint design

The boring operation on a lathe:

increases the diameter of a hole in a workpiece

A thread is designated 5/8 - 11 Class 2A. The thread shown:

is an external thread

The headstock of a lathe:

is on the left and contains the spindle

The width of the saw blade cut in the workpiece is called:

kerf

What is a natural abrasive?

made of natural material rather than synthetic

A reamer is used to:

produce smooth accurate holes

The purpose of draw filing is to:

produces a smooth and flat surface

A blotter is used on a grinding wheel to:

protect the flanges from the abrasize grit, display information about the wheel and compensate for the uneven surfaces on the wheel

Belt grinders are useful for:

quickly deburring and chamfering a workpiece

Pullers are used to:

remove bearings, hubs and sprockets

For maximum reliability when setting dividers to a dimension on a steel rule:

set one point to the 1 inch or 10 MM graduation

Bending load in regards to explosive actuated tools is:

shear force that is applied at a distance for the surface base of the material creating a lever-type action on the fastener

The reason for the crown on the end of a flat scraper is:

so that the outside edges do not dig into the finished workpiece

The thread-chasing dial:

tells you when to engage the split nut

If the lines are scribed onto a workpiece it is considered to be:

temporary layout

Electric hand drills are limited by:

the amount of feed pressure (and rpm) that can apply to large-diameter drills

When a radius is being laid out on a corner?

the centre of the radius is located equidistant from the two adjacent sides

Trammels are used for scribing when:

the circle to be scribe is beyond the range of the dividers

In the lapping process, what is charged?

the lap

Before working around a load that has been raised with a hydraulic jack:

the load must be blocked

Lathes are considered to be more dangerous than other machines because:

they have not evolved with safety features like most machines

The thread chasing dial is used to:

time engagement of the split nut when cutting a thread

What is the purpose of ring test?

to check for cracks

The surface gauge is used:

to layout lines parallel to an edge

Why would you use parallels under a workpiece when plunge cutting a through-hole?

to prevent cutting in the table

To be a qualified operator of an explosive actuated tool you must posses:

training in the use of each tool and familiarity with local safety regulations

A lathe dog is used to:

transmit drive power to a mandrel or workpiece held between centres

The most common lathe operation is:

turning

What are permanent layout lines?

used to make sure layout lines are still visible

An out of balance wheel:

vibrates

Constant voltage maintains ______ and varies __________

voltage, amperage

If a grinding wheel makes a ringing sound what does that mean?

wheel is not cracked

The best wheel to use for cleaning scale and dirt off a workpiece is the:

wire wheel

Turning is usually done:

with a right-hand tool

If a high-speed steel hand tap breaks into a hole, one way to remove it is:

with an electrical discharge machine

When grinding a workpiece between centres, you feed:

with the carriage feed

before using a vernier height gauge it is important to:

zero the vernier to the reference surface


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