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Electrical Machines

Electrical Machines
The starting resistance of DC motor is generally

 Infinitely large.
 around 500 ohms.
  Low.
 1000 ohms.

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Electrical Machines
The ___________________ generator has the poorest voltage regulation.

  over compounded.
  shunt.
  differential compounded.
  under-compounded.

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Electrical Machines
Universal motors are used in

 traction
 food processing
 cranes
All of these

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Electrical Machines
Which of these types of motor is self starting?

  Poly-phase induction motor.
  Poly-phase synchronous machine.
  Single phase induction motor.
  None of these.

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Electrical Machines
Hysteresis loop represents the area of

 hysteresis loss
 total iron losses
 copper loss
 eddy current loss

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Electrical Machines
The ventilating ducts in most of DC machine are

 none of these.
 radial as well as longitudinal.
 radial.
 longitudinal.

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MORE MCQ ON Electrical Machines

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