AC SINGLE PHASE MOTOR - Practice Mode

1) Which type of AC single phase motor having low starting torque?

Induction start induction run motor Capacitor start induction run motor Capacitor start capacitor run motor Resistance start induction run motor

Correct Answer: Resistance start induction run motor

2) What is the function of centrifugal switch in single phase motors?

Maintain constant speed Break the starting winding Break the running winding Protect the motor from over loading

Correct Answer: Break the starting winding

3) Which is the application of universal motor?

Jet pump Food mixer Teleprinter Compressor

Correct Answer: Food mixer

4) Which single phase motor is fitted with wound rotor?

Repulsion motor Shaded pole motor Permanent capacitor motor Capacitor start capacitor run motor

Correct Answer: Repulsion motor

5) What is the relation between running winding and starting winding of a single phase induction motor with respect to resistance?

Both resistances will be equal Running winding is less, starting winding more Running winding is more, starting winding less Running winding is less, starting winding infinity

Correct Answer: Running winding is less, starting winding more

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