ELECTRICAL MACHINES QUIZ

 A is bigger than B for the same current rating

 B is bigger than A for the same current rating

 both are of the same size for the same current rating

 A is bigger than B for the same voltage rating

 0°

 25° to 30°

 90°

 70° to 85°

 0.1 Ω

 100 Ω

 10 Ω

 50 Ω

 open slot----- leakage flux is less

 semi closed slot-----leakage flux is moderate

 closed slot----- leakage flux is high

All of these

  transformer with secondary short circuited.

  capacitor start induction motor.

  synchronous motor.

  repulsion start induction motor.

 Delta side leads by 30°.

 Star side leads by 30°.

  Delta side lags by -30°.

 Star side lags by -30°.

 copper loss.

 hysteresis loss.

 both 2 and 3.

 eddy current loss.

  wound rotor.

  any of the above.

  short-circuited rotor.

  double cage rotor.

 equal to

 less than

 greater than

 any of the above

 deteriorate with fall of terminal voltage.

 improve with fall of terminal voltage.

 improve with rise in terminal voltage.

 deteriorate with rise in terminal voltage.