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Electrical Machines

Electrical Machines
A DC generator without commutator is a

 DC generator
 AC generator
 induction motor
 DC motor

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Electrical Machines
A 3 - φ induction motor can also be referred to as a

  repulsion motor.
  shunt motor.
  asynchronous motor.
  transformer.

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Electrical Machines
Hunting phenomenon is observed in which motor?

  Synchronous motor.
 Induction motor.
 Both A and C.
 DC motor.

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Electrical Machines
The torque angle, in a synchronous motor, is the angle between

  the rotating stator flux and rotor flux.
  the supply voltage and the back emf.
None of these
  magnetizing electric current and back emf.

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Electrical Machines
In auto transformer if the turn ratio is K, what is the power transferred inductively?

 both A and B
None of these
 (1-K) × input power
 K × input power

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Electrical Machines
Which of the DC Motor use flywheel?

 Cumulatively compound motor.
 Differently compared motor.
 Shunt motor.
 Series motor.

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MORE MCQ ON Electrical Machines

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