Electrical Machines
Which 1 - Φ motor does operate at high power factor?

  Capacitor start.
  Split phase.
  Shaded pole.
  Capacitor run.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a DC generator, the armature reaction results in

  magnetization of inter poles.
  demagnetization of leading & magnetization of trailing pole tip.
 demagnetization of centers of poles.
 magnetization of leading and demagnetization of trailing pole tip.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 3 - Φ induction motor

  power factor at starting in the same as that while running.
  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.

ANSWER DOWNLOAD EXAMIANS APP