Electrical Machines
In a 3 - Φ induction motor

  power factor at starting in the same as that while running.
  power factor at starting is high as compared to that while running.
  none of them.
  power factor at starting is low as compared to that while running.

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Electrical Machines
An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will

 continue to work as synchronous motor with same direction of rotation.
 start working as induction motor.
 continue to work as alternator but the direction of rotation will reverse.
 come to stand still.

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