When an electric motor drives equipment, such as conveyor belts or drive-roll assemblies, where the material to be processed has to be loaded onto the belt or threaded through the drive-roll assembly, the normal run speed of the motor and driven equipment, as a rule, is too fast for ____________ safety.
The ON/OFF control of the 3-phase AC motor is normally modified with a _________ circuit.
A) jog; personal
B) none of the answers
C) personal; jog
Show Answer
Answer:C
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