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ELECTRICAL MACHINES

Electrical Machines
Capacitor fitted with ceiling / table fans is of the value of

 5 - 10 F.
  1 - 2 µF.
  2 - 3 µF.
 0.1 µF.

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Electrical Machines
Which 1 - Φ motor does operate at high power factor?

  Capacitor run.
  Split phase.
  Shaded pole.
  Capacitor start.

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Electrical Machines
Why are capacitors used with large AC induction motor?

  Improve power factor.
  Improve voltage level.
  Improve power level.
  Improve current level.

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Electrical Machines
Which single phase motor is used for a refrigerator?

  Split phase.
  Capacitor run.
  Universal.
  Repulsion.

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Electrical Machines
What type of dielectric material is used in capacitors used for fans and for power factor correction?

  Oil impregnated paper.
  Glass.
  Mica.
  Vacuum.

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