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Electrical Machines

Electrical Machines
Reactive power generated or delivered significantly depends on

 excitation.
 frequency.
 both 1 and 2.
 load angle.

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Electrical Machines
Lamination of core are generally made of

 carbon.
 silicon steel.
 cast iron.
 stainless steel.

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Electrical Machines
3rd harmonics are eliminated in induction motor by using

  zig - zag connection.
  star connection.
  V connection.
  delta connection.

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Electrical Machines
Armature flux is.............with respect to main field flux or main field poles?

 stationary
 rotates same direction
 rotates opposite direction
None of these

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Electrical Machines
Normally for the design of transformer the ambient temperature is taken as

  45°C.
 27°C.
 32°C.
 35°C.

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Electrical Machines
The principle of dynamically induced emf is utilized in

 generator.
 transformer.
 thermocouple.
 choke.

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MORE MCQ ON Electrical Machines

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