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

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

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Electrical Machines
Where the shunt generators are widely used?

  Where a constant voltage is required over a narrow load range.
 Where voltage variation is needed over a wide load range.
 Where the load is very high.
 Where often load fluctuation is occurred.

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Electrical Machines
For a single phase capacitor start induction motor which of the following is valid?

 Rotation can be changed by interchanging supply terminals.
 None of these.
  Rotation can be changed by reversing main winding terminals.
 Direction of rotation cannot be changed.

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