What gear would you use to transmit power smoothly through a low power range?

A. Spur
B. Worm
C. Bevel
D. Helical


A. Incorrect. Spur gears are primarily used in low-power applications.
B. Incorrect. Worm gears are used to obtain large speed reductions between nonintersecting shafts, and they are generally nonreversible.
C. Correct. Bevel gears transmit power smoothly through a low power range.
D. Incorrect. Helical gears are used in applications that require greater power (torque) and equipment size.

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