ELECTRICAL MACHINES QUIZ

 not possible

 230 V

 some what less than 230 V

 some what more than 230 V

  hold armature stamping in position.

  provide return path for the flux.

  protect the whole machine.

  ventilate the armature.

 collecting of current

 convert AC armature current in to DC

 increase efficiency

 reduce losses

  stiff.

  any of these.

  hollow.

  flexible.

 increase the acceleration of commutation

 economise on the material required for interpoles and their windings

 reduce the overall weight

 reduce the saturation in the interpole

  to provide better flux linkage.

  to reduce mechanical losses.

  to reduce eddy current loss.

  to reduce hysteresis loss.

 DC motor.

 induction motor.

 variable reluctance motor.

 switched reluctance motor.

 BYR

All of these

 RBY

 BRY

 15.6 Nm

 Zero

 15.28 Nm

 16.55 Nm

 Shunt.

 Cummulative compound.

  Series.

 Differentical compound.