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Millwright/ Machinist level 1 > measuring tools, angular measuring tools, hand tools, inspection gauges > Flashcards

measuring tools, angular measuring tools, hand tools, inspection gauges Flashcards

1
Q

what are the two parts of a solid square?

A

beam and base

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2
Q

what measurement can micrometers measure too?

A

0.001 of an inch

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3
Q

what are the two types of protractors?

A

bevel and plate protractor

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4
Q

Measuring units on protractors are?

A

Degrees, minutes, Seconds

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5
Q

Plate protractors are used for?

A

layout work, checking angles on cutting tools, verifying the point angle on drill bits

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6
Q

What is one thing to keep in mind when measuring angles? (direction)

A

If you are measuring the acute or obtuse angle

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7
Q

What are the three types of calibers found in the shop?

A

Vernier, Dial, Digital

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8
Q

What are the parts that make up a set of calipers?

A

Fixed jaw, Moveable jaw, vernier scale, metric main scale, beam, imperial main scale and depth blade

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9
Q

Where should you check for wear when zeroing the calipers?

A

Check for wear when the jaws are touching (if you see light between them)

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10
Q

How many mm’s in an inch

A

25.4mm

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11
Q

What are the two main imperial scales on vernier calipers

A

25 and 50

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12
Q

When do you stop turning the ratchet on a micrometer?

A

when the ratchet stop clicks once

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13
Q

what mechanical measuring device do micrometers use to measure its distance? and what are common sizes for

A

the thread pitch

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14
Q

what does carbon do when added to steel?

A

hardens the material

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15
Q

draw filing gives what finish

A

smooth finish

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16
Q

what is the width of the teeth on the saw called?

A

kerf

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17
Q

wht does tpi stand for?

A

teeth per inch

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18
Q

how do you calculate the pitch of the hack saw blade

A

count the teeth in an inch and divide the total teeth by one

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19
Q

how many teeth are recommended to be in contact with the cutting surface

A

2 teeth

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20
Q

how many strokes per minute should you have while cutting with a hack saw

A

60 strokes per minute

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21
Q

what are safety edges on files for?

A

to ensure you don’t gauge into the piece where you don’t want to file

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22
Q

what are the three types of rough course files

A

rough, course and bastard

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23
Q

what are the three types of smoother files

A

second cut, smooth and dead smooth

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24
Q

the difference between sing cut and double cut files

A

single cut has one set of 45 degree lines and double cut has two perpendicular sets of cutting lines

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25
Q

what are bastard files meant for?

A

taking large amounts of material off

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26
Q

How do determine the size of a bench vise?

A

The size of the jaws

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27
Q

0.125 how do you say this?

A

one hundred and twenty five thousandth

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28
Q

what are feeler gauges used for?

A

measuring clearances between parts

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29
Q

what are included in combination sets? (hint: all attach to steel rules)

A

center head, bevel protractor, square head and steel rule

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30
Q

what angle is a center punch ground too?

A

90 degrees

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31
Q

Which way do the teeth on a hack saw point and what direction of the stroke do they cut?

A

away from you and the cut on the forward stroke

32
Q

what are the drill bit angles for soft, medium and hard materials?

A

90 degrees for soft, 150 degrees for hard and 118 degrees for medium (general)

33
Q

when using a wrench always…..? (push or pull)

A

always pull, never push

34
Q

In a cylindrical plug gauge if the NO GO zone fits inside the bore, the whole is to…..?

A

It is to big

35
Q

What should you always do with the work piece and gauge before using?

A

Always clean both

36
Q

The GO zone on a plug gage is made smaller or bigger to distinguish?

A

The GO zone is made bigger

37
Q

What is the purpose of a cylindrical plug gauge?

A

Checking the inside diameter of a bore

38
Q

Plain ring gauge is used for?

A

Checking the outside diameter of a cylinder or rod

39
Q

Why would we use fixed gauges instead of calipers or micrometers?

A

If we are making multiple parts of a run or want to get rid of the possible of error

40
Q

What are tapered plug gauges used for?

A

They are used for checking the inside diameter of a tapered bore

41
Q

Do you use prussian blue in tapered plug gauges?

A

Yes, it simulates the grease or prussian blue used in operation

42
Q

Do you rotate tapered plug gauges counter clockwise or clockwise when inserting into tapered bore?

A

You rotate counter clockwise to ensure you do not lock the gauge into the piece (acts like a fine thread)

43
Q

What would be an example of something that you would set a snap gauge with to ensure accurate numbers

A

gauge block

44
Q

What are thread plug gauges used for?

A

checking internal threads in a work piece

45
Q

What are thread ring gauges used for?

A

Checking external threads

46
Q

With thread ring gauges how do you know the GO and NO GO zones

A

There are two different pieces, one should fit the thread and one should not

47
Q

State the differences between the thread plug gauges and thread ring gauges (hint: plug gauges plug the hole)

A

Thread plug gauges are inserted to check threads inside the work piece and thread ring gauges check the

48
Q

In a cylindrical plug gauge the bigger size plug is called the….?

A

NO GO zone

49
Q

What does the NO GO zone thread gauge test

A

pitch diameter

50
Q

What can you transfer inside caliper readings to, to see what the measurement is?

A

steel rule or micrometers

51
Q

How are MOST tools measured? (hint: refered too for a certain task)

A

the length of them

52
Q

What are the three types of calipers?

A

Spring, Firm joint, and lock joint calipers

53
Q

What kind of calipers have a fine adjustment screw

A

Lock joint calipers

54
Q

Which type of caliper is used for accurate work?

A

Spring calipers

55
Q

What type of caliper is used to clear an obstruction?

A

Lock joint Calipers

56
Q

What is the size range for a typical 5 gauge telescoping gauge size?

A

1/2 to 6 inch range (13mm to 150mm)

57
Q

what would you use if the bore you are measuring is larger than the telescopic gauge set allows

A

inside micrometer

58
Q

What are the typical ranges for a 6 gauge telescopic gauge set

A

5/16’s to 6 inches (8mm to 150mm)

59
Q

what is the main advantage to using a telescoping gauge set

A

they typically pull themselves into alignment

60
Q

Do telescoping gauges give you a direct measurement?

A

No they would need to be used with a vernier caliper or outside micrometer

61
Q

What are the two main types of squares used?

A

Combination and solid square

62
Q

What are comparison gauges and what are there benefits?

A

Comparison gauges are used to compare a work piece to a known measurement and see if it matches the parameters. Its benefits are quick and ease of use and as long as they are calibrated correctly you know that you can achieve the desired outcome measurement

63
Q

What are dial indicators good for?

A

To find the difference in height on a work piece between one point and another

64
Q

what do dial indicators use to measure a difference in heights on a work piece?

A

a gear train

65
Q

What are the parts on a dial indicator?

A

The bezel (rotating face), The bezel lock, the spindle or plunger, Contact point

66
Q

What is cosine error in reference to dial indicators?

A

The misalignment on the axis of measurement

67
Q

What is spindle travel error in reference to dial indicators?

A

The longer the spindle has to travel, the more room for error

68
Q

What are the advantages of dial bore gauges vs’s a inside micrometer or telescoping gauge?

A

You can take multiple measurements along the bore without adjusting the gauge

69
Q

List three types of dial indicators

A

Bottom plunger, back plunger, test indicators

70
Q

List two types of dial reading styles

A

balanced and continuous

71
Q

What do you primarily measure with telescoping gauges?

A

Slots, bores and recesses

72
Q

What are three types of hole gauges?

A

twin ball, hardened ball and half ball

73
Q

When are ball gauges used?

A

when the whole is to small for any other gauge

74
Q

What are the two types of dividers called? (hint: we have one in our tool box)

A

Firm joint and spring calipers

75
Q

What do you use to draw lines while laying out?

A

Scriber

76
Q

What are two materials that layout tables are made from?

A

Metal or Granite

77
Q

What is cord error on a dial indicator?

A

Cord error

Millwright/ Machinist level 1 (10 decks)

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