- (A) the direction of rotation is not fixed
- (B) the direction of instantaneous torque reverses after half cycle
- (C) startes cannot be used on these machines
- (D) starting winding is not provided on the machines
Electrical Engineering Mcqs
- (A) voltage rating
- (B) dielectric medium
- (C) polarity marking
- (D) definite value
- (A) spark excessively
- (B) have poor efficiency
- (C) have poor power factor
- (D) all of the above
- (A) through resistance
- (B) through reactances
- (C) through capacitors
- (D) solidly
- (A) Repulsion motor
- (B) Repulsion induction motor
- (C) Repulsion start induction run motor
- (D) None of the above
- (A) centrifugal switch
- (B) capacitor
- (C) commutator
- (D) all of the above
- (A) zero or 0.8 leading
- (B) unity or 0.8 lagging
- (C) unity or 0.8 leading
- (D) unity or zero
- (A) d.c. source
- (B) armature input
- (C) motor input
- (D) supply lines
- (A) supply voltage fluctuates
- (B) load in motor varies
- (C) excitation winding gets disconnected
- (D) supply voltage frequency changes
- (A) 1%
- (B) 0.5%
- (C) positive
- (D) zero
