Electrical Machines
Which of these types of motor is self starting?

  Poly-phase induction motor.
  Single phase induction motor.
  Poly-phase synchronous machine.
  None of these.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For satisfactory parallel operation of two transformers which of the following conditions is most essential,

 MVA rating of all transformer inversely proportional to impedance.
 percentage impedance of all transformers must be same.
 voltage ratio of all transformers must be same.
  polarities of all transformers must be same.

ANSWER DOWNLOAD EXAMIANS APP