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Electrical Machines

Electrical Machines
Maximum power developed depends on

 load angle
 voltage
 reactance
 both 1and 2

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Electrical Machines
Belt conveyors offer _______________ starting torque.

  medium.
  high.
  low.
  zero.

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Electrical Machines
Dummy coils are used for

All of these
 mechanical balancing.
 increasing efficiency.
 reducing armature reaction.

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Electrical Machines
A 100/10, 50 VA double winding transformer is converted to 100/110 V auto transformer. The rating of auto transformer is

 500 VA
 110 VA
 550 VA
 100 VA

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Electrical Machines
Slip exists in

  synchronous motor.
  induction motor.
  none of above.
  in both machines.

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Electrical Machines
For high current and low voltage rating which winding is employed to DC machine?

 Lap winding.
 Both wave and lap winding.
 Wave winding.
 No wave and lap winding.

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MORE MCQ ON Electrical Machines

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