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Worksheets

Basic Measurement

Total questions: 50

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

1 inch is equal to which of the following choices, select all that apply.

a)

25.4 mm

b)

2.54 cm

c)

254 mm

d)

None of the choices

2.

Convert the following decimal to a fraction. 5.55.5  

a)

5 125\ \frac{1}{2}  

b)

5 135\ \frac{1}{3}  

c)

5 235\ \frac{2}{3}  

d)

5 145\ \frac{1}{4}  

3.

Convert the following fraction into a decimal. 3 183\ \frac{1}{8}  

a)

3.75

b)

3.25

c)

3.13

d)

3.06

4.

Convert the following measurement into millimeters.

4.5 inches4.5\ inches  

Hint: 1 inch = 25.4 mm

a)

108.9 mm

b)

114.3 mm

c)

13.5 mm

d)

11.4 mm

5.

Convert the following measurement into inches.

62 cm62\ cm   Round to the nearest tenth.

Hint: 1 inch = 2.54 cm

a)

24.4 in

b)

2.4 in

c)

12.2 in

d)

22.2 in

6.

Convert the following measurement into a decimal.

3 38 in3\ \frac{3}{8}\ in  

Round to the nearest hundredth.

a)

3.38 in

b)

3.75 in

c)

2.38 in

d)

3.63 in

7.

How many millimeters are in 1 meter?

a)

100 mm

b)

10 mm

c)

1,000 mm

d)

10,000 mm

8.

How many inches are in a foot?

a)

12 in

b)

25.4 in

c)

6 in

d)

2.54 in

9.

Fill in the blank.

Dimensional measurement determines physical dimensions such as _________.

Select all answers that apply.

a)

Length

b)

Width

c)

Volume

d)

Diameter

10.

Fill in the Blank.

Two systems of dimensional measurement used in manufacturing are the SI system and the _________. 

a)

None of the choices

b)

US Customary System

c)

Decimal Inch System

d)

Fractional Inch System

11.

A scale typically found on a tape measure is which of the following choices.

a)

1/8

b)

1/16

c)

1/40

d)

1/23

12.

The first step in dimensional measuring is to align the end of the rule where the zero is located with one edge of the dimension you want to measure. This edge is called the what?

a)

measuring point

b)

reference point

c)

zero point

d)

end point

13.

Fill in the Blank

A tape measure is used _________.

Select all the answers that apply.

a)

in manufacturing industries

b)

in construction industries

c)

for precision measurement

d)

when building a house

14.

Fill in the Blank

If the length of a part is 4.000 inches and the reading could be as much as 4.004 or as little as 3.996, the accuracy is said to be __________ inches.

a)

+/- 0.005

b)

+/- 0.004

c)

+0.004

d)

+0.005

15.

Fill in the Blank.

__________ error occurs when the measurement we think we see is not the measurement being indicated by the instrument.

a)

Observational

b)

Operator Bias

c)

Instrument

d)

Positioning

16.

Fill in the Blank.

___________ is the smallest graduation or increment a measuring instrument will read.

a)

Resolution

b)

Accuracy

c)

Scale

d)

Quality Assurance

17.

What is another term for dimensional measurement?

(a)  

18.

True or False

The accuracy of a measurement indicates how close the instrument reading is to the dimensions’s true length.

a)

True

b)

False

19.

What is the base unit for the SI system?

a)

Inch

b)

Yard

c)

Foot

d)

Meter

20.

The SI metric system of measurement is easy to use because it is based on factors of what?

a)

10

b)

20

c)

30

d)

50

21.

Fraction inch rules are commonly available in graduations of (a)   .

22.

True or False

A tape measure is a type of steel rule used to measure shorter dimensions than those measured by a machinist rule.

a)

True

b)

False

23.

True or False

Resolution is the largest graduation a measurement instrument will read.

a)

True

b)

False

24.

Which of the following is a source of measurement error?

Select all that apply.

a)

Observational

b)

Positioning

c)

Instrument

d)

Operator Bias

25.

How you position a part or how you hold a measuring instrument will greatly affect the (a)   of your reading.

26.

The resolution of a typical tape measure is what?

a)

1/8

b)

1/4

c)

1/2

d)

1/16

27.

Some technical drawings require you to convert between fraction inch

measurement into what?

(a)  

28.

True or False

To convert common fraction measurements to decimal measurements, you must add the whole number to the fraction after dividing the numerator by the denominator.

a)

True

b)

False

29.

True or False

The major graduations of a Fraction Inch machinist’s rule are in inches.

a)

True

b)

False

30.

Convert the following into millimeters. 13 inches\frac{1}{3\ }inches  .

Round to the nearest hundredth.

a)

0.85 mm

b)

0.98 mm

c)

8.46 mm

d)

5.56 mm

31.

Read the measurement on the ruler shown. What is the value on the ruler?

a)

3 5163\ \frac{5}{16}  

b)

3 383\ \frac{3}{8}  

c)

3 15163\ \frac{15}{16}  

d)

3 783\ \frac{7}{8}  

32.

Read the measurement on the ruler shown. What is the measurement shown?

a)

58\frac{5}{8}  

b)

34\frac{3}{4}  

c)

78\frac{7}{8}  

d)

1316\frac{13}{16}  

33.

Read the ruler in the picture shown. What is the measurement shown by the arrow?

a)

3 143\ \frac{1}{4}  

b)

3 123\ \frac{1}{2}  

c)

3 5163\ \frac{5}{16}  

d)

3 583\ \frac{5}{8}  

34.

Read the ruler in the picture. What measurement is the arrow pointing to?

a)

2 182\ \frac{1}{8}  

b)

2 3162\ \frac{3}{16}  

c)

2 1162\ \frac{1}{16}  

d)

2 142\ \frac{1}{4}  

35.

Read the ruler shown in the picture. What measurement is the arrow pointing to?

a)

1 121\ \frac{1}{2}  

b)

1 9161\ \frac{9}{16}  

c)

1 381\ \frac{3}{8}  

d)

1 581\ \frac{5}{8}  

36.

What does SI stand for?

a)

Systems International

b)

Silicon

c)

System Integrator

d)

Standing Instruction

37.

True or False

The manufacturing industry uses dimensional measurement in order to mass produce high quality goods.

a)

True

b)

False

38.

True or False

A reference plane is a flat plane that is perpendicular to the direction of a measurement.

a)

True

b)

False

39.

What are the graduations called on a machinist’s rule?

(a)  

40.

What are the reasons why it is important to know the accuracy of a

measurement?

Select all that apply.

a)

To avoid overstating the precision of a measurement.

b)

To select the proper tool for the job.

c)

None of the choices.

41.

Which value reflects the correct conversion

from fractions to decimals for 5 732in5\ \frac{7}{32}in  ?

a)

5.2 in

b)

5.21875 in

c)

5.356875 in

d)

5.1525 in

42.

What does the construction industry use dimensional measurement for?

a)

Blueprints to build

b)

Measure ingredients

c)

Measure for clothing fit

d)

None of the choices

43.

What is the length of the bolt in inches?

a)

2-3/4 in

b)

2-1/4 in

c)

1-3/4 in

d)

2-1/2 in

44.

Fill in the blank.

1 centimeter = ______ millimeters

a)

10

b)

100

c)

1,000

d)

0.01

45.

Convert the pipe diameter from inches (in) to millimeters (mm).  

a)

12.7 mm

b)

25.4 mm

c)

6.25 mm

d)

0.25 mm

46.

Fill in the blank.

Dimensional measurement is the process of determining the _______ dimensions of a part.

a)

physical

b)

mental

c)

theoretical

d)

fictional

47.

True or False

The US Customary system of measurement is derived from the Imperial system.

a)

True

b)

False

48.

A common decimal-inch rule graduation is what?

a)

10ths

b)

50ths

c)

100ths

d)

All of the choices

49.

The base unit of measure in the US Customary system is the what?

a)

Inch

b)

Millimeter

c)

Kilometer

d)

Centimeter

50.

The conversion from 2 5162\ \frac{5}{16}  to a decimal is which of the following choices?

a)

2.625

b)

2.3125

c)

2.375

d)

2.125