Electrical Machines
In a synchronous motor torque or load angle δ ------------- with increase in load

 decreases
 increases
None of these
 remains unaffected

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Electrical Machines
An ideal synchronous motor has no starting torque because

 rotor is made up of salient poles.
 rotor winding is highly reactive.
 relative velocity between the stator and rotor mmf’s is zero.
  relative velocity between stator and rotor mmf’s is not zero.

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Electrical Machines
Where the shunt generators are widely used?

 Where voltage variation is needed over a wide load range.
 Where the load is very high.
 Where often load fluctuation is occurred.
  Where a constant voltage is required over a narrow load range.

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