- (A) yoke
- (B) commutator
- (C) armature conductors
- (D) armature rotor
Electrical Engineering Mcqs
- (A) full-load
- (B) rated r.p.m.
- (C) rated voltage
- (D) all of the above
- (A) eddy current losses = stray losses
- (B) hysteresis losses = eddy current losses
- (C) copper losses = 0
- (D) variable losses = constant losses
- (A) 100 W
- (B) 500 W
- (C) 1000 W
- (D) 1500 W
- (A) Hysteresis losses
- (B) Eddy current losses
- (C) Copper losses
- (D) Windage losses
- (A) Mechanical loss
- (B) Core loss
- (C) Copper loss
- (D) All of the above
- (A) Providing laminations in armature core
- (B) Providing laminations in stator
- (C) Using non-magnetic material for frame
- (D) Using material of low hysteresis co-efficient for armature core material
- (A) series motor
- (B) shunt motor
- (C) compound motor
- (D) any of the above
- (A) series motor
- (B) shunt motor
- (C) compound motor
- (D) any of the above
- (A) this will make armature to take heavy current, possibly burning it
- (B) this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
- (C) nothing will happen to motor
- (D) motor will come to stop
