Single Phase Induction Motors MCQ Questions & Answers | Electrical Engineering

A. It is similar to reluctance motor

B. It is basically an induction motor and not a synchronous one

C. So far as its basic working principle is concerned, it is similar to shaded pole motor

D. the air-gap between rotor and salient poles is non- uniform

A. Electric shavers

B. Refrigerators

C. Signalling and timing devices

D. Lifts and hoists

A. capacitor run motor

B. hysteresis motor

C. universal motor

D. repulsion motor

A. reduce the effects of armature reaction

B. increase the torque

C. reduce sparking at the brushes

D. none of the above

A. run for about 1 minute

B. run for about 5 minutes

C. picked up about 50 to 70 per cent of rated speed

D. picked up about 10 to 25 per cent of rated speed