In a D.C. generator, the iron losses mainly take place in___________/

Related Mcqs:

Which D.C. motor is preferred for elevators ?

A. Shunt motor B. Series motor C. Differential compound motor D. Cumulative compound motor...

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...

Speed control by Ward Leonard method gives uniform speed variation_____________?

A. in one direction B. in both directions C. below normal speed only D. above normal speed only...

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...

D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the________________?

A. series motor B. shunt motor C. compound motor D. any of the above...