Question

An automotive engine's camshaft rotates at

A. one-quarter the speed of the crankshaft.
B. twice the speed of the crankshaft.
C. one-half the speed of the crankshaft.
D. the same speed as the crankshaft.

Answer 1

Answer: The correct answer is choice C - one-half the speed of the crankshaft.

Explanation: An automotive engine’s camshaft rotates at one half of the speed of the crankshaft. There are two full rotations of the crankshaft for each rotation of the camshaft.

Answer 2

C)

An automotive engine's camshaft rotates at one-half the speed of the crankshaft.