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Electrical Machines

Electrical Machines
DC shunt motors are suitable for

 Centrifugal pumps
 Lathes.
 Blowers and fans.
  All of this.

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Electrical Machines
Number of tappings for each equalizer ring is equal to

  number of parallel paths.
  number of pole pairs.
  number of poles.
  number of commutator segments.

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Electrical Machines
Which of following DC generator will be in a position to build up without any residual magnetism in the field?

  Separately excited.
 Shunt.
  Compound.
  Series.

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Electrical Machines
In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same?

 0
 0.5
 any of the above
 1

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Electrical Machines
In an induction motor, the no-load slip is generally equal to

  zero.
 4 %.
  less than 1 %.
 1.5 %.

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Electrical Machines
The output indicate on the name plate of any motor is always the

 Power drawn in KW.
  Output power at the shaft.
 Power drawn in KVA.
 Gross power.

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MORE MCQ ON Electrical Machines

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