AC SINGLE PHASE INDUCTION MOTORS - Practice Mode

1) Which motor operates without centrifugal switch?

Permanent capacitor motor Capacitor start capacitor run motor Capacitor start induction run motor Resistance induction run motor

Correct Answer: Permanent capacitor motor

2) Which winding is disconnected by the centrifugal switch in split phase resistance type induction motor

Main winding Auxilary winding Compensating winding Damper winding

Correct Answer: Auxilary winding

3) Which speed the centrifugal switch acts in a single phase induction motor?

About 70% of speed About 25% of speed About 50% of speed At full speed

Correct Answer: About 70% of speed

4) Which single phase induction motor has high starting torque?

Split phase induction motor Capacitor start induction run motor Shaded pole motor Two value Capacitor motor

Correct Answer: Two value Capacitor motor

5) Which winding is disconnected at 70% of speed in a capacitor start induction run motor?

Auxilary winding Main winding Running winding Damper winding

Correct Answer: Auxilary winding

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