The frame of an induction motor is usually made of____________?

Related Mcqs:

The torque of an induction motor is___________?

A. directly proportional to slip B. inversely proportional to slip C. proportional to the square of the slip D. none of the above...

The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type__________?

A. star connected only B. delta connected only C. A. and B. both D. none of the above...

The speed of a squirrel-cage induction motor can be controlled by all of the following except_____________?

A. changing supply frequency B. changing number of poles C. changing winding resistance D. reducing supply voltage...

A 500 kW, 3-phase, 440 volts, 50 Hz, A.C. induction motor has a speed of 960 r.p.m. on full load. The machine has 6 poles. The slip of the machine will be__________?

A. 0.01 B. 0.02 C. 0.03 D. 0.04...

In induction motor, percentage slip depends on__________?

A. supply frequency B. supply voltage C. copper losses in motor D. none of the above...