Electrical Machines
For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V.

 225 V.
 230 V.
 220 V.
  222 V.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A dc shunt generator, when commissioned after a major repair of the field system, failed to build Up voltage. It was because

 there was a break in the armature circuit
 field system lost residual magnetism
 field winding was wrongly connected
 field resistance was higher than critical resistance

ANSWER DOWNLOAD EXAMIANS APP