Tools and their uses(2018) Flashcards

chapter 4

1
Q

What instrument is used for measuring distances between two points, transferring, or comparing measurements?

A

Divider

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2
Q

Wing-type dividers are available in what lengths, in inches

A

6,8, and 12

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3
Q

What tool is used in conjunction with a scale or rule to determining the thickness of a surface?

A

Caliper

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4
Q

Slide calipers can be used for what purpose

A

measuring inside dimensions

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5
Q

What type of caliper measures distances beyond the range of calipers?

A

Trammel

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6
Q

On a vernier caliper, the nerdier scale is divided in to how many parts

A

25

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7
Q

What result, if anything, occurs when calipers are dropped?

A

causes inaccurate measurements

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8
Q

What tool measures distances to the nearest one-thousandth of an inch?

A

Micrometer

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9
Q

The Navy uses outside, inside and what other type of micrometer?

A

depth

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10
Q

What distance is the longest movement a micrometer spindle can make, in inches?

A

1

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11
Q

A 6-inch micrometer will measure work between which thickness?

A

5-6 inches

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12
Q

On a standard micrometer, one complete revolution of the micrometer screw will move with spindle what distance in inches?

A

.025

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13
Q

On a vernier micrometer, the ten spaces on the vernier are equivalent to what number of spaces on the thimble?

A

nine

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14
Q

T/F: Micrometers should be coated with a light coat of oil to prevent rust?

A

True

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15
Q

What is the simplest, most common measuring tool?

A

Flat steel rule

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16
Q

What minimum distance will the folding rule section measure, in inches?

A

6

17
Q

What measuring tape length, in feet, is the most common?

A

25

18
Q

What measuring device is designed to take lengthy exterior measurements?

A

measuring wheel

19
Q

What PPE must you always wear when using measuring tools?

A

eye protection

20
Q

Which of the following isa rule for caring measuring tapes?

A

keep the case intact

21
Q

What type of level has an extra-large vial to ensure accuracy?

A

Machinist’s

22
Q

On the carpenter’s level, one vial is mounted vertically and another is mounted horizontally; what angle does the third vial measure, in degrees?

A

45

23
Q

Which level is used to hang on a cord?

A

line

24
Q

Which materials can machinist’s scribers mark or score?

A

Steel, Glass, Copper

25
Q

To protect the points of scribers, what item can be places over them?

A

A Cork

26
Q

When using a square as a saw guide, what item should you use to hold the square?

A

A Clamp

27
Q

By what characteristic are surface gages classified?

A

Length of spindle

28
Q

Which tools can be used to measure the thickness of paint?

A

Dial depth gage

29
Q

On what axis should measurements be made with depth gages?

A

Longitudinal

30
Q

What tool provides a true and smooth surface to make accurate measurements?

A

Surface plate

31
Q

To prevent rust, you should apply a light coat of what product to all metal parts of gages?

A

Oil

32
Q

Which tools is used as a standard to determine whether or not one or more dimensions are within specified limits?

A

ring and snap gages

33
Q

What class of gages has a commercial finish?

A

Z

34
Q

Before using gage blocks, you should take which actions?

A

remove the coast of rust preventive compound from the gage blocks

35
Q

When checking gages, at what location should they be placed?

A

in your hands

36
Q

Marking gages are usually made from which materials?

A

wood or steel

37
Q

A wire gage is normally what shape?

A

Circular