The defrost timer contacts are operated by a(n) ____ that is gear-driven by an electric wall clock motor.
A) lever
B) shaft
C) eccentric disc
D) cam

Question

Quizplus · Accepted Answer

The defrost timer contacts are operated by a cam that is gear-driven by an electric wall clock motor. The cam is designed to turn the contacts on and off at appropriate intervals to ensure that the defrost cycle is performed correctly.

The Defrost Timer Contacts Are Operated by A(n) ____ That