Search
.Management Sciences
Category: Electric Traction
_______________method can bring the locomotive to dead stop?
A. Plugging braking
B. Rheostatic braking
C. Regenerative braking
D. None of the above
Main traction systems used in India are, those using______________?
A. electric locomotives
B. diesel engine locomotives
C. steam engine locomotives
D. diesel electric locomotives
E. all of the above
The rate of acceleration on suburban orurban service is in the range_________________?
A. 0.2 to 0.5 km phps
B. 1.6 to 4.0 km phps
C. 5 to 10 km phps
D. 15 to 25 km phps
The speed of a superfast train is______________?
A. 60 kmph
B. 75 kmph
C. 100 kmph
D. more than 100 kmph
Specific energy consumption becomes________________?
A. more on steeper gradient
B. more with high train resistance
C. less if distance between stops is more
D. all of the above
Overload capacity of diesel engines is usually restricted to_______________?
A. 2 percent
B. 10 percent
C. 20 percent
D. 40 percent
The coasting retardation is around_________________?
A. 0.16 km phps
B. 1.6 km phps
C. 16 km phps
D. 40 km phps
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when_______________?
A. wheel base of axles is more
B. degree of curvature is more
C. both A. and B.
D. none of the above
Which of the following braking systems on the locomotives is costly ?
A. Regenerative braking on electric locomotives
B. Vacuum braking on diesel locomotives
C. Vacuum braking on steam locomotives
D. All braking systems are equally costly
Recent Comments