A. O
B. kO
C. MO
D. None of the above
A. auto-transformer
B. star-delta
C. slip ring
D. any of the above
A. Reduced current method
B. Tap changing control of transformer
C. Series parallel operation of motors
D. All of the above
A. uneven distribution of tractive effect
B. suitability for passanger as well as freight service
C. lot of skidding
D. low co-efficient of adhesion
A. Operating point
B. Current gain
C. Voltage gain
D. None of the above
A. Acceleration and retardation
B. Gradient
C. Distance covered
D. All of the above
A. Input impedance is very high
B. Input impedance is low
C. Output impedance is very low
D. None of the above