In the squirrel-cage induction motor the rotor slots are usually given slight skew__________?

Related Mcqs:

In squirrel cage induction motors, the rotor slots are usually given slight skew in order to__________?

A. reduce windage losses B. reduce eddy currents C. reduce accumulation of dirt and dust D. reduce magnetic hum...

Rotor rheostat control method of speed control is used for____________?

A. squirrel-cage induction motors only B. slip ring induction motors only C. both A. and (b) D. none of the above...

A 3-phase induction motor stator delta connected, is carrying full load and one of its fuses blows out. Then the motor_______________?

A. will continue running burning its one phase B. will continue running burning its two phases C. will stop and carry heavy current causing permanent damage to its winding D. will continue running without any harm to the winding...

In case of 3-phase induction motors, plugging means__________?

A. pulling the motor directly on line without a starter B. locking of rotor due to harmonics C. starting the motor on load which is more than the rated load D. interchanging two supply phases for quick stopping...

The low power factor of induction motor is due to___________?

A. rotor leakage reactance B. stator reactance C. the reactive lagging magnetizing current necessary to generate the magnetic flux D. all of the above...