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Millwright Level 1 > Tools > Flashcards

Tools Flashcards

Measuring tools, comparison tools, layout tools, hand tools, power tools

1
Q

What is the accuracy of a steel rule?

A

1/64

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2
Q

What is the accuracy of Vernier calipers?

A

0.001” or 0.02mm

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3
Q

The spindle, thimble, sleeve, and anvil are parts of what?

A

Micrometer caliper

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4
Q

The sleeve of a micrometer has a line along its axis which acts as a what?

A

Datum

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5
Q

In a metric micrometer the spindle has a thread pitch of ____ to a lead of ____?

A

0.5mm and 0.5mm

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6
Q

Metric and imperial micrometers are available in increments of what?

A

25mm ranges

Increments of one inch

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7
Q

Imperial micrometer spindle threads have a pitch of __ tpi and a lead of ____?

A

40 tpi and lead of 0.025”

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8
Q

What is the accuracy of a micrometer with a vernier scale?

A

0.0001” or 0.002mm

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9
Q

What are used to measure movements such as the run out of a shaft or to compare parts against each other?

A

Dial indicators

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10
Q

The continuous-reading dial indicator is often used to measure what?

A

The run-out of shafts and other rotary parts

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11
Q

The back-plunger dial indicator is used to what?

A

Align and set up parts of equipment

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12
Q

What are used to measure the amount of clearance between parts?

A

Feeler gauges

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13
Q

What calipers are used to duplicate the size of shaft and bores?

A

Spring calipers

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14
Q

What are used to mark layout lines on the surface of the workpiece?

A

Scribers

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15
Q

What are used to lay out straight lines, and check for surface flatness and alignment?

A

Straightedges

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16
Q

What are used to scribe arcs and circles and transfer measurements?

A

Spring dividers

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17
Q

When are trammels used?

A

When spring dividers aren’t long enough

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18
Q

What calipers are used to layout lines parallel to an edge and find the centre of round or irregular shaped objects?

A

Hermaphrodite calipers

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19
Q

The combination set consists of how many parts?

A

4 - steel rule, square head, protractor head and centre head

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20
Q

The accuracy of a protractor head is what?

A

1 degree

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21
Q

The prick punch has an angle of what?

A

30 to 60 degrees

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22
Q

The centre punch has an angle of what?

A

90 degrees

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23
Q

The three most common types of scrapers are what?

A

Flat, triangular, and bearing

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24
Q

What are files made of?

A

Heat-treated, high carbon steel

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25
Q

What is the order of file coarseness?

A

Single-cut, double-cut, bastard-cut, second-cut, and smoot-cut

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26
Q

What is it called when a files teeth are clogged?

A

Pinning

27
Q

What can you apply to the file to reduce pinning?

A

Chalk

28
Q

What type of filing produces a flat, smooth surface?

A

Draw filing

29
Q

What are chisels made of?

A

Hardened, tempered, high-carbon steel

30
Q

What are the four common types of chisels?

A

Flat cold, cape, round nose, and diamond point

31
Q

The included angle of a flat cold chisel is?

A

70 degrees

32
Q

What type of chisel cuts narrow, square-bottomed grooves such as keyways?

A

Cape chisels

33
Q

What type of chisel is used to finish off square corners?

A

Diamond chisels

34
Q

What consists of a frame, handle, blade, and blade tensioning device?

A

Hacksaws

35
Q

All-hard backsaw blades are made of what?

A

Fully hardened, high speed steel

36
Q

Flexible blades are either ___ or ___?

A

Carbon or bi-metal

37
Q

The teeth of a hacksaw blade have a set to them to create what?

A

A kerf

38
Q

The coarseness of a blade is measured how?

A

The number of teeth per inch (tpi)

39
Q

The pitch of hacksaw teeth can be calculated how?

A

1 divided by tpi

40
Q

When cutting thick materials what type of blade should you use?

A

A coarse blade to allow for chip clearance

41
Q

When cutting thin material what type of blade should be used?

A

A fine pitch blade

42
Q

When hacksawing how many teeth must be in contact with the material?

A

At least 2-3

43
Q

When hacksawing how many strokes per minute should you do?

A

40 to 60

44
Q

The two types of twist drills in the shop are?

A

Carbide and HSS

45
Q

For general purpose drilling the drill point angle is?

A

118 degrees

46
Q

For drilling hard materials the drill point angle is?

A

150 degrees

47
Q

For drilling soft materials the drill point angle is?

A

90 degrees

48
Q

The lip clearance behind the cutting edge of a drill is?

A

8 to 12 degrees

49
Q

The chisel edge angle of a drill is?

A

135 degrees

50
Q

Sharpen a twist drill with a grinder with the angle of?

A

59 degrees

51
Q

Flattening the cutting edge to prevent the drill from biting is called?

A

Brassing off

52
Q

Reamers are used for what?

A

Creating an accurate sized hole

53
Q

The maximum amount of material left for hand reaming is?

A

0.005”

54
Q

Tapered reamers are used to create what?

A

Tapered holes

55
Q

What are end mills used for?

A

Cutting narrow slots or grooves

56
Q

The speed with which the saw teeth and cut object move past each other is called what?

A

The cutting speed

57
Q

The cutting speed for carbide is approximately how much faster than HSS?

A

2.5 times

58
Q

What is the formula for cutting speed?

A

rpm imperial = cutting speed x4/diameter of drill

rpm metric = cutting speed x 320/diameter of drill

59
Q

What kind of drill presses are usually fixed to a bench or the floor and have a mechanical device for feeding the drill bit into the work?

A

Stationary drill press

60
Q

What are right-angle drills useful for?

A

Drilling holes in tight places

61
Q

What should you use when a magnetic drill press is used on a slope or overhead?

A

Chain it up

62
Q

What is a portable keyseat cutter used for?

A

Cutting keyseats, slots and holes with an endmill

63
Q

What are used to drive fastening devices into steel or concrete?

A

Powder-actuated tools

Millwright Level 1 (5 decks)

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