Chapter 8 Fasteners and Thread Repair
Quiz by Matt Lobdell
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- Q1
The thread pitch of a bolt is measured in what units?
Threads per inch
Millimeters
Fractions of an inch
Both A and B
30s - Q2
Technician A says that the diameter of a bolt is the same as the wrench size used to remove or install the fastener. Technician B says that the length is measured from the top of the head of the bolt to the end of the bolt. Which technician is correct?
Technician A only
Technician B only
Both technicians
Neither technician
30s - Q3
The grade of a fastener, such as a bolt, is a measure of its ________.
color
hardness
finish
tensile strength
30s - Q4
Which of the following is a metric bolt?
8 millimeter
M12 x 1.5
1/2-20
5/16-18
30s - Q5
The marks (lines) on the head of a bolt indicate ________.
size
grade
tensile strength
Both B and C
30s - Q6
A screw that can make its own threads when installed is called a ________ screw.
self-tapping
tapered
sheet metal
Both A and C
30s - Q7
Which of the following statements is TRUE of threaded inserts?
They are used to hold together shafts and linkages
They are threaded inside and outside
The screw on top of a nut and prevent loosening
The look like a small, stainless-steel spring
30s - Q8
All of the following are types of clips EXCEPT ________.
cotter
E clip
internal snap ring
C clip
30s - Q9
What type of fastener is commonly used to retain interior door panels?
External clips
E clips
Internal clips
Christmas tree clips
30s - Q10
To avoid over-tightening or breaking abolt ________ should always be used when tightening fasteners.
a box end wrench
a torque wrench
penetrating oil
a pitch gauge
30s - Q11
The number of threads per inch is referred to as ________.
gauge
pitch
grade
None of these
30s - Q12
Metric thread pitch is measured in________.
centimeters
inches
millimeters
None of these
30s - Q13
A bolt that is threaded into a casting is often called a ________.
crest bolt
cap screw
block bolt
stud
30s - Q14
The strength or classification of a bolt is known as ________.
grade
gauge
pitch
None of these
30s - Q15
Hardware store non graded bolts are suitable for use on suspension components.
falsetrueTrue or False30s