help with my exam?
1. Which of the following fasteners would be used to hold a bearing, seal, or other component inside a hole?
A. An internal retaining ring
B. An external C-ring
C. A dowel pin
D. A setscrew
2. The grade of a metric bolt is designated by
A. the number of slashes on the head of the bolt.
B. its thread pitch.
C. the number stamped on the head of the bolt.
D. the color of the bolt.
3. An open, coiled wire spring that cushions or absorbs the force of a part pressed against it and then returns the part to its previous position is called
A. a compression spring.
B. an extension spring.
C. a flat spiral spring.
D. a retaining spring.
4. By definition, work is a force that's applied over a specific
A. distance.
B. period of time.
C. weight.
D. amount of horsepower.
1.A ; 2.C ; 3.A ; 4.B
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