For which of the following applications a D.C. motor is preferred over an A.C. motor ?

Related Mcqs:

Which D.C. motor will be preferred for machine tools ?

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

These days D.C. motors are widely used in____________?

A. pumping sets B. air compressors C. electric traction D. machine shops...

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...

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

A. yoke B. commutator C. armature conductors D. armature rotor...