Electric Traction

A. 0.12
B. 0.25
C. 0.40
D. 0.75

A. it has longer free running period
B. it has longer coasting period
C. accelerating and braking periods are comparatively smaller
D. all of the above

A. Acceleration and retardation
B. Gradient
C. Distance covered
D. All of the above

A. speed
B. (speed)
C. (speed)
D. 1/speed

A. Jolting and skidding
B. Hammer blow
C. Pitching
D. All of the above

A. Sand on rails
B. Dew on rails
C. Oil on the rails
D. both B. and C.

A. overcome the gravity component of train mass
B. overcome friction, windage and curve resistance
C. accelerate the train mass
D. do all of the above

A. Rust on the rails
B. Dust on the rails
C. Sand on the rails
D. All of the above

A. less than that of D.C. locomotive
B. more than that of D.C. locomotive
C. equal to that of D.C. locomotive
D. none of the above

A. It avoids wear of track
B. Motor continues to remain loaded during braking
C. It is instantaneous
D. More heat is generated during braking