Electrical Machines
Which of the following motor is used in grinders?

  Split phase IM.
  Capacitor start capacitor run IM.
  Capacitor start IM.
  Synchronous motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC Motor

  dc series motor.
  dc shunt motor with field weakening.
  dc shunt with armature resistance control.
  dc compound motor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a stepper motor the detente torque means

  minimum of the static torque with the phase winding excited.
  maximum of the static torque with the phase winding unexcited.
  maximum of the static torque with the phase winding excited.
  minimum of the static torque with the phase winding unexcited.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In large sized DC machines the compensating windings are provided to

  neutralize voltage induced in coil due to fluctuation of l
None of these
 compensate for the decrease in speed due to increase of load.
 reduce eddy current losses by providing local short circuits.

ANSWER DOWNLOAD EXAMIANS APP