Electrical Machines
The slip of an induction motor normally does not depend on which of the following?

 Rotor speed.
 Shaft torque.
 Synchronous speed.
  Core loss component.

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, inter poles, armature.
  armature resistance, effect of armature reaction.
 armature resistance, effect of armature reaction.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Consider the following statements regarding dc machines : 1. possible resistance of shunt-field winding is 1 Ω 2. possible resistance of series-field winding is 1 Ω 3. electrographite brushes are used for 230 V, 10 A machines 4. Copper-graphite brushes are used for 230 V, 10 A machines 5. Possible armature-circuit resistance is 1 Ω From these, the correct statements are

 2, 3 , 5
 2, 4 ,5
 1, 3, 5
 1, 4

ANSWER DOWNLOAD EXAMIANS APP