Electrical Engineering MCQs on Induction Motor Part 21
Contents
- 1 A shaded pole motor can be used for
- 2 In case of capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
- 3 Once the starting winding of a single-phase induction motor is disconnected from supply, it continues to run only on
- 4 The torque developed by a single-phase induction motor at starting is
- 5 The rotor has no teeth or winding in case of which single-phase motor
A shaded pole motor can be used for
A shaded pole motor can be used for
- Circulators
- Hair dryers
- Toys
- Any of these
Correct answer: 4. Any of these
In case of capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
In case of capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
- Improve power factor
- Improve torque
- Increase overload capacity
- Reduce fluctuations in torque
Correct answer: 1. Improve power factor
Once the starting winding of a single-phase induction motor is disconnected from supply, it continues to run only on
Once the starting winding of a single-phase induction motor is disconnected from supply, it continues to run only on
- Compensating winding
- Field winding
- Rotor winding
- Running winding
Correct answer: 4. Running winding
The torque developed by a single-phase induction motor at starting is
The torque developed by a single-phase induction motor at starting is
- Nil
- Pulsating
- Uniform
- None of these
Correct answer: 1. Nil
The rotor has no teeth or winding in case of which single-phase motor
The rotor has no teeth or winding in case of which single-phase motor
- Hysteresis motor
- Reluctance motor
- Split phase motor
- Universal motor
Correct answer: 1. Hysteresis motor