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MCQ ON SYNCHRONOUS MOTOR PAGE - 2

1.

While running a synchronous motor is compelled to run at synchronous speed because of

Answer/ Hint      

Answer : B

Explanation :

2.

In a synchronous motor, the magnitude of stator back e.m.f Eb depends on

Answer/ Hint      

Answer : D

Explanation :

3.

The V-curves of a synchronous motor show relationship between

Answer/ Hint      

Answer : C

Explanation :

4.

When running under no load condition and with normal excitation armature current La drawn by a synchronous motor

Answer/ Hint      

Answer : C

Explanation :

5.

A synchronous motor running with normal excitation adjusts to load increases essentially by increases in its

Answer/ Hint      

Answer : D

Explanation :

6.

The angle between the synchronously rotating stator flux and rotor poles of a synchronous motor is called …. angle.

Answer/ Hint      

Answer : D

Explanation :

7.

A synchronous motor is stated n:

Answer/ Hint      

Answer : C

Explanation :

8.

The motor whose rotor and rotating magnetic field of the stator rotate at the same speed is called

Answer/ Hint      

Answer : C

Explanation :

9.

A synchronous motor always works at

Answer/ Hint      

Answer : A

Explanation :

10.

Which one of the following characteristics is NOT applicable to synchronous motors?

Answer/ Hint      

Answer : B

Explanation :

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