Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of_____________?

Related Mcqs:

If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ?

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

A D.C. series motor is that which______________?

A. has its field winding consisting of thick wire and less turns B. has a poor torque C. can be started easily without load D. has almost constant speed...

In D.C. machines the residual magnetism is of the order of_________________?

A. 2 to 3 per cent B. 10 to 15 per cent C. 20 to 25 per cent D. 50 to 75 per cent...

If I2 be the armature current, then speed of a D.C. shunt motor is_______________?

A. independent of Ia B. proportional to la C. varies as (Ia) D. varies as la...

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

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