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Electrical Machines

Electrical Machines
Example of double excited machine is

 Synchronous motor.
 Both are correct.
None of these
 DC Shunt Motor

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Electrical Machines
In Ward-Leonard system, the lower limit of the speed imposed by

 Armature resistance.
 None of above.
 Residual magnetism of the generator.
 Field resistance.

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Electrical Machines
In case of a compensated DC series motor, the compensating winding is provided

 In parallel with the field winding.
 In parallel with the armature winding.
 As a separate unit.
  In series with the armature winding.

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Electrical Machines
Which of the following is not a part of transformer?

 Tap changer.
 Conservator tank.
  Commutator.
 Radiator.

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Electrical Machines
What is the actual arrangement of series wound generator?

 Armature and field both are parallel.
 Armature and field both are connected.
 Armature winding is in series with load.
  Armature and field both are in series with the load.

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Electrical Machines
Series booster is a

  series wound DC generator.
 permanent magnet DC generator.
 shunt wound DC generator.
 separately excited DC generator.

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MORE MCQ ON Electrical Machines

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