Electrical Machines
The air gap between stator and the rotor of the 3 - φ induction motor is kept

  air gap does not matter.
  as wide as possible.
  as small as possible.
  depends on the material of stator and the rotor.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Slip speed is the

  difference of actual rotor speed and synchronous speed.
  half of the sum of synchronous and rotor speeds.
  sum of synchronous and rotor speeds.
  difference of synchronous speed and actual rotor speed.

ANSWER DOWNLOAD EXAMIANS APP