Electrical Machines
In a 3 - Φ induction motor

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

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Electrical Machines
In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed?

 The speed will increase gradually.
 The speed will increase in proportion to reduction in load.
 The speed will remains almost constant.
 The speed will increase abruptly.

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