Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

Related Mcqs:

In which of the following applications D.C. series motor is invariably tried?

A. Starter for a car B. Drive for a water pump C. Fan motor D. Motor operation in A.C. or D.C...

Which D.C. motor has got maximum self loading property?

A. Series motor B. Shunt motor C. Cumulatively compounded ‘motor D. Differentially compounded motor...

For a D.C. shunt motor if the excitation is changed_______________?

A. torque will remain constant B. torque will change but power will remain constant C. torque and power both will change D. torque, power and speed, all will change...

Regenerative method of braking is based on that___________?

A. back e.m.f. is less than the applied voltage B. back e.m.f. is equal to the applied voltage C. back e.m.f. of rotor is more than the applied voltage D. none of the above...

A dc series motor should not be started on no load because it would___________?

A. not develop starting torque B. fail to start without load C. run at dangerously high speed D. draw more current without producing sufficient torque...