- (A) absent
- (B) small
- (C) large
- (D) infinity
Electrical Engineering Mcqs
- (A) two rotors moving in oppsite direction
- (B) two parallel windings in stator
- (C) two parallel windings in rotor
- (D) two series windings in stator
- (A) single phase motors
- (B) variable speed motors
- (C) low horse power motors
- (D) high speed motors
- (A) low
- (B) negligible
- (C) same as full-load torque
- (D) slightly more than full-load torque
- (A) Ns
- (B) s.N,
- (C) (l-s)Ns
- (D) (Ns-l)s
- (A) copper
- (B) carbon
- (C) phospor bronze
- (D) aluminium
- (A) the magnetising current of the rotor will decrease
- (B) the power factor will decrease
- (C) speed of motor will increase
- (D) the windage losses will increase
- (A) slip
- (B) rotor current
- (C) running torque
- (D) line voltage
- (A) e.m.f. injection in rotor eueuit
- (B) Changing the number of poles
- (C) Cascade operation
- (D) None of the above
- (A) motor takes five to seven times its full load current
- (B) it will pick-up very high speed and may go out of step
- (C) it will run in reverse direction
- (D) starting torque is very high
