Measuring Tools

Question 1

What measurements require which three (3) elements?

Answer 1

• the part
• the measuring device
• a standard (device to measure against)

Question 2

The four (4) common rule types are?

Answer 2

• Spring Tempered rule
• Flexible rule
• Narrow Rule
• Hook rule

Question 3

What are the types of precision calipers?

Answer 3

• Vernier caliper
• Dial caliper
• Electronic digital caliper

Question 4

What are the parts of the vernier height gauge?

Answer 4

• base
• beam
• vernier slide
• scriber

Question 5

What are the parts of a micrometer?

Answer 5

• spindle and timble
• anvil
• ratchet
• locknut or lever
• sleeve

Question 6

What are the caliper’s style?

Answer 6

• Spring caliper
• Firm joint calipers
• lock joint transfer calipers

Question 7

What are three (3) styles of small hole gauges?

Answer 7

• twin ball
• hardened ball
• half ball

Question 8

Dial indicators are available in?

Answer 8

continuous and balanced style

Question 9

List three (3) types of dial indicators

Answer 9

• bottom plunger
• test indicators
• back or black plunger

Question 10

The two (2) types of squares are?

Answer 10

• solid square

* combination square

Question 11

Three (3) common style of graduations are?

Answer 11

• imperial (inch) fraction
• imperial (inch) decimal
• metric

Question 12

The vernier scale of a universal bevel protractor has two scales, each with how many graduations?

Answer 12

12 graduations

Question 13

What are the type of errors that you might encounter when using dial indicators?

Answer 13

• spindle travel

* cosine error

Question 14

What is spindle travel?

Answer 14

is when the spindle travels, the greater the distance there is to travel, the more errors can creep into an indicator reading

Question 15

What is cosine error?

Answer 15

Cosine error is when the axis of the linear measurement is not in line with the axis of measurement
developing an exaggerated measurement

Question 16

A vernier micrometer uses a scale of?

Answer 16

.0001 inch or .002 mm

Question 17

What do dial calipers used to move around the face of a dial?

Answer 17

a rack and pinion

Question 18

Height gauges are used for what type of layout?

Answer 18

Precision layout

Question 19

You should never use dial test indicators for?

Answer 19

Direct linear measurement

Question 20

Each vernier scale graduation on a 50 division metric vernier height gauge is equal to what part in mm?

Answer 20

.02mm

Question 21

What are the marking on a ruler called?

Answer 21

Graduations

Question 22

What are the two(2) types of tapes?

Answer 22

• short line

* long line

Question 23

What are the types of readings that a vernier caliper can perform?

Answer 23

• inside measurements
• outside measurements
• depths measurements

Question 24

Plate protractors and bevel protractors measure angles to what degrees?

Answer 24

1° or one degree

Question 25

Steel rules are usually?

Answer 25

6 inches

Question 26

The most common unit used for angler measurements is?

Answer 26

degree

Question 27

Universal bevel protractors can discriminate to what degree?

Answer 27

5 minutes of a degree

Question 28

The imperial micrometer uses a screw thread with a pitch of?

Answer 28

.025 inch

Question 29

Why is inside measurement more difficult to take than the outside measurements?

Answer 29

space is limited, and it can be difficult to align with the true diameter

Question 30

What are the two (2) ways to apply proper force to a micrometer?

Answer 30

*ratchet stop and *the feel method

Question 31

What is the best way to apply force to a micrometer?

Answer 31

ratchet stop method

Question 32

Thickness gauges are also called the?

Answer 32

Feeler gauges

Question 33

How is a reading taken with a micrometer?

Answer 33

by noting the position of the thimble against the sleeve

Question 34

If a 1 inch micrometer does not read zero when you close it, you must adjust the?

Answer 34

sleeve

Question 35

The plate protractor is also known as the?

Answer 35

Steel protractor

Question 36

One complete revolution of the micrometer thimble increases and decreases the distance between measuring faces by?

Answer 36

.025 inch

Question 37

What micrometers offers the most accurate readings?

Answer 37

Vernier micrometer

Question 38

On the micrometer spindle there are, how many threads per inch?

Answer 38

40 threads per inch

Question 39

After laying out the circumference of a hole with a pair of dividers, you should?

Answer 39

Prick punch witness marks around the circumference

Question 40

Trammels are used when?

Answer 40

when you want to make a larger hole than the capacity of a scriber

Question 41

When the axis of the dial indicator is not parallel with the axis of measurement, the result is?

Answer 41

an exaggerated reading. usually larger

Question 42

What is the most common dial reading indicator use for shaft alignment?

Answer 42

The Black Plunger Dial test indicators

Question 43

What is the most accurate tool used for scribing lines parallel to an edge?

Answer 43

the surface gauge