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.Management Sciences
Category: Electric Traction
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
_______________watt-hours per tonne km is usually the specific energy consumption for suburban services?
A. 15—20
B. 50—75
C. 120—150
D. 160—200
Which of the following state capitals is not on broad gauge track ?
A. Lucknow
B. Bhopal
C. Jaipur
D. Chandigarh
have maximum unbalanced forces_______________?
A. Diesel shunters
B. Steam locomotives
C. Electric locomotives
D. Diesel locomotives
For diesel locomotives the range of horsepower is_______________?
A. 50 to 200
B. 500 to 1000
C. 1500 to 2500
D. 3000 to 5000
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