Upper Engine class chapter 3
Which of the following is a metric bolt?
A. M12x1.5 b. 5/16 - 18 c. 1/2 - 20 d. 8 millimeter
The grade of a fastener, such as a bolt, is a measure of its_________________.
A. Tensile strength b. Hardness c. Finish d. Color
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?
Neither A nor B
A bolt that requires a 1/2 inch wrench to rotate is usually what size when measured across the threads?
a. 1/2 inch B. 5/16 inch c. 3/8 inch d. 7/16 inch
All ofthe following are types of clips except_____________.
a. E-clip B. Cotter c. C-clip d. Internal
What type of fastener is commonly used to retain interior door panels?
a. E-clips B. Christmas tree clips c. External clips d. Internal Clips
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 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
The marks (lines) on the heads of bolts indicate ______________.
a. Size b. Grade c. Tensile strength D. Both b and c
A bolt that is threaded into a casting is often called a_____________.
a. Stud B. Cap screw c. Block bolt d. Crest bolt