If a D.C. series motor is operated on A.C. supply, it will____________?
A. spark excessively
B. have poor efficiency
C. have poor power factor
D. all of the above
The capacitors used in single-phase capacitor motors have no__________?
A. voltage rating
B. dielectric medium
C. polarity marking
D. definite value
A universal motor is one which______________?
A. can be operated either on D.C. or A.C. supply at approximately the same speed and output
B. can be marketed internationally
C. runs at dangerously high speed on no-load
In a A.C. series motor armature coils are usually connected to commutator____________?
A. through resistance
B. through reactances
C. through capacitors
D. solidly
A repulsion motor is equipped with__________?
A. slip rings
B. commutator
C. both A. and (b)
D. none of the above
Which of the following motors has two separate windings on the motor ?
A. Repulsion motor
B. Repulsion induction motor
C. Repulsion start induction run motor
D. None of the above