Electric Machine Daily Quiz #24

Which of the following is used to start hard-to-start loads-

1. Resistance start split phase motor
2. Capacitor start motor
3. Permanent capacitor run motor
4. 2 value capacitor motor

Which of the following is used for comparatively better running performance than given others-

1. Resistance start split phase motor
2. Capacitor start motor
3. Permanent capacitor run motor
4. 2 value capacitor motor

The direction of motor is needed to be reversed. What should be implemented-?

1. Capacitor terminals should be interchanged.
2. Capacitor should be removed.
3. Capacitor value must be increased.
4. Main winding terminals are reversed along with field wdg terminals.
5. None of the above will work.

Normal practice to switch off the auxiliary wdg except in permanent capacitor motor-

1. At 60% of rated speed
2. At 75% of rated speed
3. At 50% of rated speed
4. At 85% of rated speed

Using a motor as Universal motor is never practised with-

1. Dc shunt motor
2. Dc series motor
3. Any dc motor
4. Détente motor