Electrical Machines
Star - delta method of starting of motor is not possible in case of

  low horse power motor.
  high speed motor.
  high torque motor.
  single phase induction motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In large sized DC machines the compensating windings are provided to

  neutralize voltage induced in coil due to fluctuation of l
 compensate for the decrease in speed due to increase of load.
 reduce eddy current losses by providing local short circuits.
None of these

ANSWER DOWNLOAD EXAMIANS APP