Single Phase Motors
In repulsion motor, maximum torque is developed when

brush axis coincides with the field axis
brush axis is at 90° electrical to the field axis
brush axis is at 45° electrical to the field axis
None of these

ANSWER DOWNLOAD EXAMIANS APP

Single Phase Motors
Which of the following statements regarding hysteresis motor is in incorrect ?

Its high starting torque is due to its high rotor hysteresis loss
It is extremely quiet in operation
It accelerates from rest to full-speed almost instantaneously
It is extremely sensitive to fluctuations in supply voltage

ANSWER DOWNLOAD EXAMIANS APP