4 DECEMBER 2020 CURRENT AFFAIRS QUIZ

 improve the power factor.

 improve the starting torque.

 reduce the harmonics.

 start the motor.

 synchronizing power co efficient.

 damping torque.

  restoring torque.

 mechanical rotatory system.

  power factor.

  air gap flux.

  speed.

  magnetizing current.

  dc shunt motor with field weakening.

  dc shunt with armature resistance control.

  dc series motor.

  dc compound motor.

  Burn.

 Not run.

 Run at lower speed.

 Run at normal speed.

  Z.

  P.

  none of these.

  P and Z.

  trapezoidal space distribution and is stationary in space.

  triangular space distribution and is stationary in space.

  triangular space distribution and rotates at the speed of armature.

 stepped distribution and rotates at the speed of armature.

 3Fmax.

  (3/2)Fmax.

 Fmax.

 (1/2)Fmax.

 be more than 10%

 be 12.5%

 remain unchanged

 be less than 10%

 increase.

None of these

 either of these.

 decrease.