Short-circuit test on an induction motor cannot be used to determine___________?

Related Mcqs:

In case the air gap in an induction motor is increased____________?

A. the magnetising current of the rotor will decrease B. the power factor will decrease C. speed of motor will increase D. the windage losses will increase...

For which motor the speed can be controlled from rotor side ?

A. Squirrel-cage induction motor B. Slip-ring induction motor C. Both A. and (b) D. None of the above...

If an induction motor with certain ratio of rotor to stator slots, runs at 1/7 of the normal speed, the phenomenon will be termed as____________?

A. humming B. hunting C. crawling D. cogging...

The vafcie of transformation ratio of an induction motor can be found by__________?

A. open-circuit test only B. short-circuit test only C. stator resistance test D. none of the above...

Slip ring motor is preferred over squirrel cage induction motor where___________?

A. high starting torque is required B. load torque is heavy C. heavy pull out torque is required D. all of the above...