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Electrical Machines

Electrical Machines
The wattage rating of a ceiling fan motor will be

 200 - 250 W.
 250 - 500 W.
 10 - 20 W.
  50 - 150 W.

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Electrical Machines
Induction motors provided with open slots have

  less breakdown torque.
  higher efficiency.
  leading power factor.
  more breakdown torque.

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Electrical Machines
In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is

 maximum
 zero
 infinite value
 any of the above

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Electrical Machines
Equalizer rings are used in which of the followings?

 lap winding
 wave winding
None of these
 both 1 and 2

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Electrical Machines
The wound rotor type IM is used for____________ speed operation.

  variable.
  minimum.
  constant.
  maximum.

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Electrical Machines
Lamination of core are generally made of

 cast iron.
 stainless steel.
 carbon.
 silicon steel.

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MORE MCQ ON Electrical Machines

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