The diameter of the rotor shaft for an electric motor depends on which of the following ?
A)r.p.m.only
B)Horse power only
C)Horse power and r.p.m.
D)Horse power, r.p.m.and power factor

Question

Quizplus · Accepted Answer

The diameter of the rotor shaft for an electric motor is determined by both the horsepower (which indicates the power output of the motor) and the revolutions per minute (r.p.m.), as these factors influence the torque and mechanical stress on the shaft.

The Diameter of the Rotor Shaft for an Electric Motor