Armature of a synchronous machine is____________?

Related Mcqs:

A synchronous motor will always stop when:______________?

A. supply voltage fluctuates B. load in motor varies C. excitation winding gets disconnected D. supply voltage frequency changes...

The induced e.m.f. in a synchronous motor working on leading power factor will be_____________?

A. more than the supply voltage B. less than the supply voltage C. equal to the supply voltage D. None of these...

When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop_________________?

A. inductor motor torque B. induction generator torque C. synchronous motor torque D. d.c. motor toque E. none of the above...

A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because?

A. synchronous motor has no slip B. stator supply is not required to produce magnetic field C. mechanical load on the rotor remains constant D. synchronous motor has large airgap...

The size of a synchronous motor decreases with the increase in___________?

A. flux density B. horse power rating C. speed D. all of the above...