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

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

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flashing of DC generator means

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

ANSWER DOWNLOAD EXAMIANS APP