Electrical Machines
The speed of a 3-phase induction motor operating in its stable region

 decreases with decrease in the load torque.
 decreases with increase in the load torque.
 increases with increase in the load torque.
 remains constant.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In case of 3 - Φ IM, plugging means

  pulling the motor directly on line without a rotor.
  locking of rotor due to harmonics.
  starting the motor on load which is more than the rated load.
  interchanging two supply phases for quick stopping.

ANSWER DOWNLOAD EXAMIANS APP