Electrical Machines
For same HP rating and full load speed which of following motor has poor starting torque?

 Differently compounded.
 Series.
 Cummulative compound.
 Shunt.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The following statements relate to compensating winding (CW) and interpole winding (IW) of a dc machine : 1. CW neutralizes the armature reaction under a pole pitch 2. IW is connected in series with armature circuit 3. IW produces mmf in the commutating zone only 4. CWmmf is directed along the brush axis 5. Mmf produced by IW is equal to armature mmf From these, the correct statements are

 2, 3, 4, 5
 2, 3, 4
 1, 3, 4, 5
 1, 2, 3, 4 and 5

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator, the armature reaction results in

 demagnetization of centers of poles.
 magnetization of leading and demagnetization of trailing pole tip.
  magnetization of inter poles.
  demagnetization of leading & magnetization of trailing pole tip.

ANSWER DOWNLOAD EXAMIANS APP