A synchronous motor can develop synchronous torque:

Related Mcqs:

The synchronous motor is not inherently self-starting because_______________?

A. the force required to accelerate the rotor to the synchronous speed in an instant is absent B. the starting device to accelerate the rotor to near synchronous speed is absent C. a rotating magnetic field does not have enough poles D. the rotating magnetic field is produced by only 50 Hz frequency currents...

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...

The power factor of a synchronous motor is better than that of induction motor because

A. stator supply is relieved of responsibility of producing magnetic field B. mechanical load on the motor can be adjusted C. synchronous motor runs at synchronous speed D. synchronous motor has large air gap...

A synchronous motor is running on a load with normal excitation. Now if the load on the motor is increased

A. power factor as well as armature current will decrease B. power factor as well as armature current will increase C. power factor will increase but armature current will decrease D. power factor will decrease and armature current will increase...

In a synchronous motor, damper windings are provided on____________?

A. stator frame B. rotor shaft C. pole faces D. none of the above...