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Electrical Machines

Electrical Machines
Capacitor fitted with ceiling / table fans is of the value of

 0.1 µF.
  1 - 2 µF.
  2 - 3 µF.
 5 - 10 F.

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Electrical Machines
The three point starter is used for

  Shunt, compound and series motor.
  Series motor.
  Shunt motor as well as compound motors.
  Shunt motor.

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Electrical Machines
The function of field regulator in a DC compound motor is to

 control field current.
 limit the armature current.
 none of above.
 vary the armature resistance.

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Electrical Machines
In DC generator, brushes are always placed along

  magnetic neutral axis.
 armature axis.
 load axis.
 geometrical neutral axis.

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Electrical Machines
In salient pole synchronous machine, the reluctance power varies as

 sinδ
 sin2δ
 cosδ
 cos2δ

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Electrical Machines
A compound motor has

  only series field winding.
  tertiary winding.
  only shunt field winding.
  both shunt and series field winding.

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MORE MCQ ON Electrical Machines

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