Electrical Machines
A crusher is equipped with

 DC shunt motor.
 Reluctance motor.
 Slip ring induction motor.
 Synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The damper windings also called the squirrel cage windings or damper grids

  are provided on the stator for improving power factor.
  consists of short-circuited copper bars embedded in the field pole faces.
  both (A) and (B).
  are provided in a synchronous motor to make it self starting.

ANSWER DOWNLOAD EXAMIANS APP