- (A) Windage loss
- (B) Bearing friction loss
- (C) Copper loss
- (D) Core loss
Electrical Engineering Mcqs
- (A) armature current and power factor
- (B) terminal voltage and load factor
- (C) power factor and field current
- (D) field current and armature current
- (A) the force required to accelerate the rotor to the synchronous speed in an instant is absent
- (B) the starting device to accelerate the rotor to near synchronous speed is absent
- (C) a rotating magnetic field does not have enough poles
- (D) the rotating magnetic field is produced by only 50 Hz frequency currents
- (A) V
- (B) V312
- (C) V2
- (D) 1/V
- (A) no slip-rings
- (B) one slip-ring
- (C) two slip-rings
- (D) three slip-rings
- (A) Phase to phase winding resistance
- (B) Stator winding to earthed frame
- (C) Rotor winding to earthed shaft
- (D) All of the above
- (A) increases as the load increases
- (B) decreases as the load decreases
- (C) always remains constant
- (D) none of the above
- (A) augments it directly
- (B) directly opposes it
- (C) cross-magnetises it
- (D) none of the above
- (A) become more
- (B) become less
- (C) remain constant
- (D) none of the above
- (A) applied voltage of the motor
- (B) power factor of power drawn by the motor
- (C) motor speed
- (D) none of the these
- (E) all of the these
