Deck 2: Hand and Shop Tools, Precision Tools, and Units of Measurement

Question 1

A wrench that has an open end, and a box end, both of the same nominal dimension, is known as a

A) adjustable wrench
B) spanner wrench
C) open-box end wrench
D) combination wrench

Answer 1

combination wrench

Question 2

Which of the following is NOT a type of torque wrench?

A) electronic
B) click
C) spring
D) dial

Answer 2

spring

Question 3

When a technician fails to use a torque wrench to tighten a fastener, what is the likely outcome?

A) fastener breaks
B) fastener over-torqued by 50-100%
C) fastener under-torqued by 50-100%
D) fastener drops

Answer 3

fastener over-torqued by 50-100%

Question 4

When a fastener is torqued to specification, approximately how much of the twisting force is required to overcome thread friction?

A) 10%
B) 25%
C) 50%
D) 90%

Question 5

When a fastener is torqued to specification, approximately what percentage of the twisting force is converted into clamping force?

A) 10%
B) 25%
C) 50%
D) 90%

Question 6

Which type of hammer would NOT be found in a truck technician's tool box?

A) ball peen
B) cross peen
C) claw
D) rubber mallet

Question 7

What is the maximum measuring range of a metric micrometer?

A) 250 mm
B) 100 mm
C) 25 mm
D) 10 mm

Question 8

What is the maximum measuring range of a standard micrometer, whether specified as 1-inch, 2-inch, or 6-inch?

A) 10 inches
B) 5 inches
C) 1 inch
D) 1/10 inch

Question 9

What cutting fluid should be used when reaming mild steel?

A) lard
B) dry
C) kerosene
D) soluble oil

Question 10

What cutting fluid should be used when drilling aluminum?

A) lard
B) dry
C) soluble oil
D) kerosene

Question 11

To what accuracy are standard electronic digital calipers capable of reading?

A) 0.0005 inch
B) 0.001 inch
C) 0.050 inch
D) 0.500 inch

Question 12

When tapping brass, what cutting fluid is recommended?

A) lard
B) soluble oil
C) none
D) kerosene

Question 13

How many full thimble rotations are required to move a standard micrometer through 0.025 inches?

A) one
B) two
C) five
D) ten

Question 14

How many full thimble rotations are required to move a standard micrometer through 0.50 inches?

A) five
B) ten
C) twenty
D) fifty

Question 15

How many full rotations of a metric micrometer are required to measure 2.5 millimeters?

A) one
B) five
C) ten
D) twenty-five

Question 16

An engine main bearing clearance specification is stated to be 0.0035 inches. What color Plastigage™ is required to measure the actual bearing clearance?

A) green
B) red
C) blue
D) yellow

Question 17

Which of the following measuring tools is used in conjunction with an outside micrometer?

A) combination square
B) telescoping gauges
C) Plastigage
D) dial bore gauge

Question 18

When a precision straight edge is used to measure cylinder block deck wear, which of the following must be used to make a precise measurement?

A) depth gauge
B) dial bore gauge
C) dial indicator
D) thickness gauges

Question 19

Which of the following is NOT a standard sledgehammer head weight?

A) 8 pounds
B) 12 pounds
C) 16 pounds
D) 20 pounds

Question 20

What is the function of a spreader bar?

A) piston installation
B) removing wrist pins
C) lifting engines from chassis
D) separating cylinder head from block

Question 21

The working load limit of a chain is usually equivalent to what percentage of the tensile strength rating of the steel it is made of?

A) 25 percent
B) 50 percent
C) 75 percent
D) 100 percent

Question 22

What is the approximate tensile strength of a 7/8 grade five bolt?

A) 75,000 psi
B) 85,000 psi
C) 100,000 psi
D) 120,000 psi

Question 23

What is the tensile strength of a 1/2 inch grade eight bolt?

A) 50,000 psi
B) 95,000 psi
C) 150,000 psi
D) 190,000 psi

Question 24

How many radial strokes are used to identify an SAE grade eight bolt?

A) one
B) three
C) six
D) eight

Question 25

Which of the following instruments is designed to measure rotational speed?

A) dial bore gauge
B) dial indicator
C) load rotor
D) tachometer

Question 26

Convert 90 psi to kPa and round up to the nearest of the following values:

A) 300 kPa
B) 600 kPa
C) 900 kPa
D) 1200 kPa

Question 27

Convert 30,000 psi to bar and round to the nearest of the following values:

A) 500 bar
B) 1000 bar
C) 2000 bar
D) 3000 bar

Question 28

Convert 36 degrees Celsius to degrees Fahrenheit and round to the nearest of the following values:

A) 32 degrees Fahrenheit
B) 50 degrees Fahrenheit
C) 100 degrees Fahrenheit
D) 360 degrees Fahrenheit

Question 29

What does the prefix kilo mean?

A) one hundredth
B) one thousandth
C) one hundred
D) one thousand

Question 30

Convert 600 horsepower to kilowatts:

A) 428 kw
B) 448 kw
C) 462 kw
D) 484 kw

Question 31

Convert 440 horsepower to kilowatts

A) 312 kw
B) 322 kw
C) 328 kw
D) 332 kw

Question 32

Which of the following prefixes is used to express a millionth of any value?

A) milli
B) micro
C) nano
D) pico

Question 33

What measurement is theoretically one ten-millionth of the distance between the equator and either pole?

A) one inch
B) one centimeter
C) one meter
D) one kilometer

Question 34

Which of the following values is the odd one out?

A) 14.7 psi
B) 101.3 kPa
C) 29.92 inches Hg
D) 3 bar

Question 35

The working load of a chain is normally what percentage of the rated tensile strength of the chain material?

A) 10%
B) 25%
C) 50%
D) 100%

Question 36

What cutting fluid should be used when tapping threads to a cast iron block?

A) dry
B) soluble oil
C) water
D) lard

Question 37

Which type of tap should be used to cut new threads to a bore?

A) taper
B) plug
C) bottom
D) chaser

Question 38

Convert 10 lB. to Newton meters

A) 1.356
B) 2.623
C) 13.56
D) 26.23

Question 39

Which tool should be used to torque line nuts?

A) box end wrench
B) open end wrench
C) deep socket
D) line wrench

Question 40

How many flats does a hex nut have?

A) three
B) six
C) four
D) eight

Question 41

The closest metric wrench size to a standard 3/4 inch wrench is

A) 15 mm
B) 18 mm
C) 19 mm
D) 21 mm

Question 42

To convert pound/feet to pound/inches multiply by

A) 12
B) 24
C) 48
D) 56

Question 43

What should be used to remove a stud that has sheared flush to an engine block?

A) stud extractor
B) drill and screw extractor
C) oxyacetylene torch
D) pneumatic hammer

Question 44

Which of the following would most accurately size a hole?

A) spiral fluted, taper reamer
B) high-speed twist drill
C) diamond tipped drill
D) thread chaser

Question 45

What is known as the combined angle of the cutting edges of a drill bit?

A) cutting angle
B) boring angle
C) point angle
D) bottoming angle

Question 46

What is the correct point angle of a drill bit designed for drilling steel?

A) 90 degrees
B) 100 degrees
C) 120 degrees
D) 150 degrees

Question 47

Which of the following tools is capable of performing inside, outside, and depth measurements?

A) dial indicator
B) digital calipers
C) combination square
D) inside micrometer

Question 48

When measuring shaft runout, a dial indicator produces readings between +0.0025 inches (positive) and -0.0055 inches (negative). What is the TIR?

A) 0.0025 inches
B) 0.0055 inches
C) 0.010 inches
D) 0.008 inches

Question 49

Technician A says that the metric pressure unit of 1 bar represents is actually slightly less than one unit of atmospheric pressure (14.7 psi/ 101.3 kPa). Technician B says that 2 bar is exactly equivalent to 200 kPA.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question 50

If you were required to remove a seized hex nut from a threaded stud, which of the following would be the best choice of tool?

A) pipe wrench
B) adjustable wrench
C) hex wrench
D) double-hex wrench