A. Repulsion motor
B. Repulsion induction motor
C. Repulsion start induction run motor
D. None of the above
A. D.C. shunt motor
B. Schrage motor
C. Repulsion start and induction run motor
D. Universal motor
A. Hysteresis motor
B. Schrage motor
C. Universal motor
D. Reluctance motor
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
A. it is comparatively cheaper
B. it has almost non-destructible capacitor
C. it has low starting as well as running currents at relatively high power factor
D. it is quiet in operation
A. brush axis is at 45° electrical to the field axis
B. brush axis coincides with the field axis
C. brush axis is at 90° electrical to the field axis
D. none of the above
A. improves the efficiency
B. helps the rotor teeth to remain under the stator teeth
C. helps in reducing the tendency of the rotor teeth to remain under the stator teeth
D. improves the power factor