ELECTRICAL MACHINES QUIZ

 the former during starting and the latter at a fraction of its rated speed.

 the former at a fraction of its rate speed and the latter during starting.

 any of the above.

 cage induction machines and they are essentially the same.

  mild steel.

  aluminium.

  cast iron.

  stainless steel.

 33.33 MW and 66.67 MW respectively

 50 MW and 50 MW respectively

 66.67 MW and 33.33 MW respectively

 any of the above

 either of these.

 field current on X-axis and power factor on Y-axis.

 field current on X-axis and armature current on Y-axis.

 field current on Y-axis and armature current on X-axis.

  too rapid reversal of current.

  any of the above.

  under commutation.

 over commutation.

 45°.

 0°.

  75°.

 30°.

  In series with the armature winding.

 In parallel with the armature winding.

 In parallel with the field winding.

 As a separate unit.

 Air crafts.

All of these

 Arc welding.

 Used as boosters in dc distribution or transmission.

 burn.

 run at very high speed.

 run at very low speed.

 start haunting.

 rotor resistance R

 both 1 and 2

 rotor reactance X

None of these