Space-a Truckers
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Chs 2 & 3
How many flats does a hex nut have?
6
What should be used to mark the start point before drilling a hole in steel?
Center punch
Technician A says to replace all original Grade 5 fasteners with Grade 8 when performing suspension repairs. Technician B says that a Grade 8 rated Huck fastener may be replaced with a Grade 8 nut and bolt. Who is right?
Technician B
What tool is required to cut internal threads in hole?
Tap
What is the maximum measuring range of a standard micrometer?
1 inch
Which type of tap should be used to cut new threads to a bore?
Taper
Which of the following types of pliers would be most suitable for intricate electrical work?
Needlenose pliers
Which of the following tools is capable of performing inside, outside, and depth measurements?
Digital Calipers
To convert pound/feet to pound/inch multiply by:
12
What cutting fluid should be used when reaming mild steel?
Lard
When selecting a hacksaw blade to cut light angle iron, what is the recommended tpi?
18
Through how many thimble rotations must a standard micrometer be turned to make the spindle move exactly 1/4 inch?
10
The objective of torquing a nut and bolt is to:
Define the clamping force of the fastener
A wrench that has an open end, and a box end, both of the same nominal dimension, is known as:
Combination wrench
Which of the following wrenches is most suitable for tightening tubing and hose fittings like those found on diesel fuel systems or hydraulic hoses?
Line wrench
When a technician fails to use a torque wrench to tighten a fastener, what is the likely outcome?
Fastener over-torqued by 50-100%
What should be used to remove a stud that has sheared flush to an engine block?
Drill and screw extractor
When measuring the thickness of a component measuring around .0015 inches, which of the following measuring tools would be most accurate?
A micrometer
How many radial strokes are used to identify an SAE grade eight bolt?
Six
Convert 36 degrees Celsius to degrees Fahrenheit and round to the nearest of the following values:
100 degrees Farenheit
What does the prefix milli mean?
one thousandth
Which tool should be used to a torque line nuts?
Line wrench
Which of the following is NOT a type of torque wrench?
spring
How many full thimble rotations are required to move a standard micrometer through 0.025 inches?
one
Which of the following instruments is designed to measure rotational speed?
Tachometer
What does the prefix Kilo mean?
one thousand
To what accuracy are electronic digital calipers capable of reading?
0.0001 inch
Which type of hammer will not be found in a truck technician’s tool box?
Claw
When a precision straight edge is used to measure cylinder block wear, which of the following must be used to make a precise measurement?
thickness gauges
When using an air gun to drive a socket, what type of socket must be used?
impact
Two complete
revolutions of the
t himble
moves the spindle exactly
1 millimeters from 1 to 25 millimeters
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