Measurement Tools

Question 1

What are 4 steel rules and there uses?

Answer 1

Spring tempered-1/64 thick. Not to be bend. For accurate straight edge
Flexible- made of thin stock for curves
Narrow rule- for tight spaces
Hook rule- measuring from an edge

Question 2

One complete revolution on a thimble is
What in inch ?
What in metric?

Answer 2

.025 inch per revolution

.5mm

Question 3

What is an intrimik?

Answer 3

Measurement tool with 3 points of contact, self cantering with limited range .400 inch

Question 4

6 inch steel rules can only measure up to?

For fraction, decimal, and metric

Answer 4

Fraction 1/64
Decimal 1/100 or .010
Metric .5mm

Question 5

A vernier micrometer can measure up to?

Answer 5

.0001 inch or .002mm

Question 6

Calipers are only dependable for measurements up to?

Answer 6

.001 inch

.02 mm

Question 7

What are the 7 parts to a micrometer?

Answer 7

Anvil
Spindle
Sleeve
Thimble
Ratchet
Locknut
Frame

Question 8

What is a basic measurement?

Answer 8

Basic measurement measures to within 1/64 or .5mm

Question 9

Universal bevel protractors can discriminate to?

Plate and bevel protractors can discriminate to?

Answer 9

5 minutes of a degree

1 degree

Question 10

What are the 3 precision calipers?

Answer 10

Vernier
Dial
Electronic digital

Question 11

4R on a steel rules allows measurement in?

Answer 11

8th 16th 32nd and 64th

Question 12

Transfer measuring instrument include (3)

Answer 12

calipers
telescoping gauges
small hole gauges

Question 13

What are the types of calipers?

Answer 13

spring calipers
firm joint calipers
lock joint transfer calipers

Question 14

What tools are used to measure a precise outside caliper diameter?an inside caliper diameter?

Answer 14

inside micrometer

outside micrometer

Question 15

What are telescoping gauges used for?

Answer 15

Measuring bores, slot and recesses.

Question 16

Name the 3 types of small hole gauges

Answer 16

twin ball
hardened ball
half ball

Question 17

Angle of drill point gauges are

Answer 17

59 and 118

Question 18

What are the 2 dial reading styles

Answer 18

balanced and continuous

Question 19

What are 3 types of dial indicators

Answer 19

Bottom plunger- have plunger located at the bottom of the dial
Test indicators-can be used in awkard and inaccessible situations. Can be swiveled or dovetailed
Back Plunger- plungermounted 90 degree dial face. Common for shaft alignment

Question 20

What are 5 comparison measurement tools?

Answer 20

squares
drill size gauges
drill point gauges
radius gauges
surface finish indicators

Question 21

What is a dial bore gauge used for?

Answer 21

Used to measure various poisitions in the bore without making any adjustments.

Question 22

What is a crankshaft deflection gauge used for?

Answer 22

Used for checking bearing alignment or shaft deflection without dismantling the engine or compressor.

Question 23

The two (2) types of squares are?

Answer 23

solid square

combination square

Question 24

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

Answer 24

spindle travelcosine error

Question 25

What is spindle travel?

Answer 25

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

Question 26

What is cosine error?

Answer 26

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

Question 27

A vernier micrometer uses a scale of?

Answer 27

.0001 inch or .002 mm

Question 28

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

Answer 28

.02mm

Question 29

What are the marking on a ruler called?

Answer 29

Graduations

Question 30

What are the two(2) types of tapes?

Answer 30

``` short line(under 30 feet) Long line (up to 50 feet) ```

Question 31

The most common unit used for angler measurements is?

Answer 31

degree

Question 32

Universal bevel protractors can discriminate to what degree?

Answer 32

5 minutes of a degree

Question 33

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

Answer 33

ratchet stop the feel method

Question 34

Thickness gauges are also called?

Answer 34

Feeler gauges

Question 35

The Distance of one revolution of a micrometer is?

Answer 35

.025 inch | .5mm

Question 36

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

Answer 36

40 threads per inch

Question 37

Trammels are used when?

Answer 37

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

Question 38

Imperial inch decimal graduations rules are in graduations of?

Answer 38

Tenth .1 Twentieth .05 Fiftieth .02 Hundredth .01

Question 39

Metric rules are graduated in?

Answer 39

Millimeters 1 mm | Half millimeter .5

Question 40

The accuracy of a caliper is

Answer 40

.001 or .02mm

Question 41

Standard micrometers can read to

Answer 41

.001 inch or .01mm

Question 42

Adjustable parallels are used to measure

Answer 42

Keyway, keyseats, slots | Coupling gap

Question 43

What are 2 materials for surface plates/layout tables?

Answer 43

Cast iron | Granite

Question 44

What are the 3 accuracies of surface plates?

Answer 44

Grade AA .0001 Laboratory Grade A .0002 Inspection Grade B .0004 Toolroom

Question 45

What is used to sharped a scriber, divider, caliper or trammel?

Answer 45

Oilstone

Question 46

What are 3 accessories for a combination square?

Answer 46

Center Head Bevel Protractor Square Head

Question 47

Surface Gauge vs Height gauge?

Answer 47

Surface gauge is for basic layout | Height gauge is used for precision layout up to .001 inch or .02 mm

Question 48

Angle of a center punch and prick punch?

Answer 48

Prick punch 30-60 | Center punch 90

Question 49

What are the types of layout coatings?

Answer 49

``` Layout die (bluing) Copper suphate Vermillion Powder and Shellac Chalk Lime and Alcohol ```

Question 50

A Datum edge is also a

Answer 50

Reference Point when laying out.

Question 51

Absolute dimension vs incremental

Answer 51

Absolute measuring gives measurements from Datum Edge | Incremental uses measurement from point to point

Question 52

How many graduations are in a vernier degree angle?

Answer 52

12 graduations adding to 60