Category: Electric Traction

A. high in case of D.C. traction than in the case of AC. traction
B. low in case of D.C. traction than in the case of AC. traction
C. equal in both AC. and D.C. traction
D. any of the above

A. D.C. shunt motor
B. D.C. series motor
C. A.C. three phase motor
D. AC. single phase capacitor start motor

A. Vacuum pump
B. Ejector
C. Any of the above
D. None of the above

A. resistance offered by air
B. friction at the track
C. friction at various parts of the rolling stock
D. all of the above