AC SINGLE PHASE MOTOR - Practice Mode

1) How the direction of rotation of a capacitor start induction run motor is reversed?

By changing the supply terminals By changing the capacitor connections By interchanging main winding terminals By interchanging both main and auxiliary winding terminals

Correct Answer: By interchanging main winding terminals

2) Which single phase motor tapped field speed control method is employed?

Universal motor Shaded pole motor Capacitor start induction run motor Capacitor start capacitor run motor

Correct Answer: Universal motor

3) Which type of single phase induction motor is used in food mixer?

Universal motor Repulsion motor Shaded pole motor Permanent capacitor motor

Correct Answer: Universal motor

4) What is the angular displacement between starting and running winding of a single phase induction motor?

45 electrical degree 60 electrical degree 90 electrical degree 120 electrical degree

Correct Answer: 90 electrical degree

5) Why the hysteresis motor is suitable for sound recording instruments?

Small in size High efficiency Noiseless operation Less error operation

Correct Answer: Noiseless operation

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