The percentage slip in case of a synchronous motor 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 maximum value of torque that a synchronous motor can develop without losing its synchronism, is known as_____________?

A. slip torque B. pull-out torque C. breaking torque D. synchronising torque...

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...

Power factor of a synchronous motor is unity when_____________?

A. the armature current is maximum B. the armature current is minimum C. the armature current is zero D. none of the above...

In a synchronous motor, the damping winding is generally used to______________?

A. reduce noise level B. reduce the eddy currents C. provide starting torque only D. prevent hunting and provide the starting torque E. none of the above...