Electrical Machines
In which of the following speed control of DC motor the speed obtained is below than the rated speed?

 Any of above.
 Armature circuit resistance control.
 Armature voltage control.
 Field resistance control.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The factors that are responsible for decrease in terminal voltage of a shunt generator are

  reduction in field current, effect of armature reaction, armature.
 armature resistance, effect of armature reaction.
 armature resistance, inter poles, armature.
  armature resistance, effect of armature reaction.

ANSWER DOWNLOAD EXAMIANS APP