The power factor of a single-phase induction motor is usually?

Related Mcqs:

In a shaded pole motor, the shading coil usually consist of___________?

A. a single turn of heavy wire which is in parallel with running winding B. a single turn of heavy copper wire which is short-circuited and carries only induced current C. a multilayer fine gauge copper wire in parallel with running winding D. none of the above...

Which of the following motors is preferred for tape-recorders ?

A. Shaded pole motor B. Hysteresis motor C. Two value capacitor motor D. Universal motor...

Which of the following motors can be used for unity power factor ?

A. Capacitor run motor B. Shaded pole motor C. Hysteresis motor D. Schrage motor...

The purpose of stator winding in the compensated repulsion motor is to_____________?

A. provide mechanical balance B. improve power factor and provide better speed regulation C. prevent hunting in the motor D. eliminate armature reaction...

If a D.C. series motor is operated on A.C. supply, it will____________?

A. spark excessively B. have poor efficiency C. have poor power factor D. all of the above...