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Electrical Machines

Electrical Machines
We can apply source transformation to voltage source when a resistance is connected to it in

  10 HP.
 15 HP.
  13 HP.
 14 HP.

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Electrical Machines
Universal motor have which of the following application?

  Domestic pump.
  Food mixer.
  Lift.
  Traction.

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Electrical Machines
For the purpose of starting an induction motor, star/delta switch is an equivalent to auto transformer of ratio

 33.3%
 50%
 66.3%
 57.7%

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Electrical Machines
With the increases in field excitation of a DC generator, its generated emf

  decreases.
 increases.
  remains constant.
  increases upto a limit and then remains almost constant.

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Electrical Machines
Rotating part of DC motor is known as

 Pole.
 Starter.
 Carbone brush.
 Armature.

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Electrical Machines
Stepper motor is used in

 traction
 computer printers
All of these
 food processing

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MORE MCQ ON Electrical Machines

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