Electrical Machines
Capacitor start capacitor run provides

  high staring torque only.
  high staring torque and high power factor.
  none.
  high power factor only.

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Electrical Machines
Ward-Leonard system for controlling the speed of a DC motor is used where

 The speed in both the direction is required.
 All of above.
 Very fine speed control over the whole range from zero to normal speed is required.
 The accuracy in speed control is required.

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