The ratio of starting torque to running torque in a synchronous motor is Options: A . &nbspzero B . &nbspone C . &nbsptwo D . &nbspinfinity

The ratio of starting torque to running torque in a synchronous motor is

Question

The ratio of starting torque to running torque in a synchronous motor is

Options:

A . zero

B . one

C . two

D . infinity

Answer: Option A

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Question 1. The maximum speed variation in a 3-phase synchronous motor is....

Question 2. When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as ....armature current as compared with that of power factor is

Question 3. A synchronous motor can be made self starting by providing....

Question 4. A synchronous machine with large air gap has....

Question 5. In a synchronous motor, the maximum power developed depends on all of the following except....

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Question 8. Hunting in a synchronous motor cannot be due to....

Question 9. In a 3-phase synchronous motor, the negative phase sequence exists when the motor is....

Question 10. As the load is applied to a synchronous motor, the motor takes more armature current because....

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