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

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

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Electrical Machines
Flashing of DC generator means

 neutralization of residual magnetism.
None of these
  creation of residual magnetism by a DC source.
  increasing flux density by providing extra ampere-turns in field.

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