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Electrical Machines

Electrical Machines
In DC generator, which component plays the vital role to produce the direct current?

 Brush.
  Commutator.
 Armature.
 Yoke.

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Electrical Machines
Dynamic braking can be used for

All of these
 compound motors.
 shunt motors.
 series motors.

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Electrical Machines
In DC machines internal characteristics are plotted between

 Eg vs load current
 Vt vs load current
 Eg vs Ia
 Vt vs Ia

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Electrical Machines
Which of the following induction motor has the highest starting torque?

None of these
 Same in both induction motors.
 Slip ring induction motor.
 Squirrel cage induction motor.

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

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

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Electrical Machines
Rotating part of DC motor is known as

 Pole.
 Carbone brush.
 Starter.
 Armature.

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MORE MCQ ON Electrical Machines

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