automotive

Question 1

Convert 0.280 to a practical fraction to the nearest 1/32

Answer 1

9/32

Question 2

Convert 0.484375 an exact fraction

Answer 2

31/64

Question 3

Convert 21/64 to a decimal rounded to three decimal places

Answer 3

0.328

Question 4

A steel rule can be used to measure to an accuracy of:

Answer 4

1/64 in.

Question 5

A quality vernier caliper is as accuarate as a micrometer

Answer 5

false

Question 6

a quality vernier caliper is considered accurate to 0.001 in.

Answer 6

true

Question 7

A vernier caliper can be used to measure:

Answer 7

A)

outside dimensions

B)

inside dimensions

C)

depth measurements

Correct Answer (D)
D) 

all of the above

Question 8

n figure 64, what is the measurement taken by this inside micrometer, which is being used with a 2 to 3” rod and 1/2” spacer?

Answer 8

2.764”

Question 9

In figure 65, the reading on the metric micrometer is:

Answer 9

15.27 mm

Question 10

In figure 66, the reading in this metric vernier caliper is:

Answer 10

96.27 mm

Question 11

In figure 67, the imperial reading on the vernier caliper is:

Answer 11

3.788”

Question 12

In figure 63, the 0 - 1” outside micrometer reads:

Answer 12

0.529”

Question 13

Digital vernier calipers can:

Answer 13

A)

switch between metric and imperial measure

B)

measure differences between two measurements

C)

be zeroed anywhere withing its range of movement

Correct Answer
D)

all of the above

Question 14

The precision measure tool that cannot be adjusted to compensate for wear on the measuring surfaces is:

Answer 14

vernier caliper

Question 15

Calibration of precision measuring tools should be checked:

Answer 15

each time they are used

Question 16

Outside micrometers can be adjusted at the:

Answer 16

A)

nut

B)

sleeve

Correct Answer
C)

both of the above

D)

non of the above

Question 17

Precision measuring tools should be stored:

Answer 17

in a special drawer or cabinet

Question 18

Torque wrenches measure:

Answer 18

rational force

Question 19

If a force of 220 N was applied on a wrench which is 600 mm long, the resulting torque would be:

Answer 19

132 N m

Question 20

To Torque a head bolt to 100 lb-ft, using a torque wrench 2 ft long, you would have to pull on the wrench with _______ lb of force

Answer 20

50

Question 21

Tubing used in hydraulic brake lines must be made from:

Answer 21

double-wrapped, brazed steel

Question 22

Two styles of tubing flares used by most vehicle manufactures are:

Answer 22

double and SI (ISO)

Question 23

Tubing should be cut with a:

Answer 23

tubing cutter

Question 24

The drill point angle for a general purpose twist drill should be:

Answer 24

59

Question 25

the lip clearance angle for a general purpose twist drill should be maintained at:

Answer 25

12

Question 26

Twist drill sets may be sized using

Answer 26

Incorrect Response
A)

fractions

B)

letters and numbers

C)

metric

Correct Answer
D)

all of the above

Question 27

Reamers and rotated:

Answer 27

clockwise only

Question 28

When using a reamer, you should never attempt to remove more than:

Answer 28

0.005 in

Question 29

Solid hand reamers are available with:

Answer 29

A)

straight flutes

B)

helical flutes

Correct Answer
C)

both straight and helical flutes

D)

neither straight nor helical flutes

Question 30

Three taps commonly found in a sets of imperial taps

Answer 30

taper, plug and bottoming

Question 31

a tap marked 5/16 x 24 UNF will create threads with:

Answer 31

A)

24 threads per inch

B)

1/24 pitch

C)

a maximum diameter of 5/16 in

Correct Answer
D)

all of the above

Question 32

Technician A says that when using a tap, it should be backed up 1/2 turn after each 1/4 turn of cutting. Technician B says that using a tap handle is not necessary and that the square drive on the end of a tap may be driven with a crescent wrench. who is correct?

Answer 32

Correct Answer
A)

Technician A

B)

Technician B

Question 33

The correct lubricant to use when cutting threads in cast iron or brass is:

Answer 33

dry or 25% lard oil with 75% mineral oil

Question 34

The correct tap drill for a 3/4 x 16 UNF cap screw is:

Answer 34

11/16 in

Question 35

The correct tap drill for a M3 X.5 bolt is:

Answer 35

2.5 mm

Question 36

To remove a broken stud you could use a:

Answer 36

screw extractor

Question 37

Damaged internal threads may be repaired using:

Answer 37

Tap-Loc insert