Chapter 8 - Fastener and Thread Repair - Chapter Quiz Questions

cap screw

A bolt that is threaded into a casting is often called a __________. a. stud b. block bolt c. cap screw d. crest bolt

5/16 in.

A bolt that requires a ½ in. wrench to rotate is usually what size when measured across the threads? a. ½ in. b. 5/16 in. c. 3/8 in. d. 7/16 in.

self-tapping

A screw that can make its own threads when installed is called a __________ screw. a. sheet metal b. tapered c. self-tapping d. Both a and c

cotter

All of the following are types of clips except __________. a. E-clip b. cotter c. C-clip d. internal

Neither Technician A nor B

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? a. Technician A only b. Technician B only c. Both Technicians A and B d. Neither Technician A nor B

tensile strength

The grade of a fastener, such as a bolt, is a measure of its __________. a. tensile strength b. hardness c. finish d. color

Both b and c

The marks (lines) on the heads of bolts indicate _____. a. size b. grade c. tensile strength d. Both b and c

Both a and b

The thread pitch of a bolt is measured in what units? a. Millimeters b. Threads per inch c. Fractions of an inch d. Both a and b

a torque wrench

To avoid over-tightening or breaking a bolt, __________ should always be used when tightening fasteners. a. a torque wrench b. a box end wrench c. penetrating oil d. a pitch gauge

Christmas tree clips

What type of fastener is commonly used to retain interior door panels? a. Christmas tree clips b. E-clips c. External clips d. Internal clips

M12 x 1.5

Which of the following is a metric bolt? a. 5/16 - 18 b. ½ - 20 c. M12 x 1.5 d. 8 mm

They are threaded inside and outside.

Which of the following statements is true of threaded inserts? a. They look like small, stainless-steel springs. b. They are threaded inside and outside. c. They screw on top of a nut and prevent nut loosening. d. They are used to hold together shafts and linkages.

Die

Which of these may be used to restore damaged treads on a bolt? a. Die b. Tap c. Both A and B d. Neither A nor B

Flat washer

Which type of washer is used to provide an even clamping force? a. Star washer b. Lock washer c. Flat washer d. None of these