Electrical Machines
A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

 differentially compounded motor in the opposite direction
 cumulative compounded motor in the same direction
 differentially compounded motor in the same direction
 cumulative compounded motor in opposite direction

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Electrical Machines
In a 3 - Φ induction motor

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

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