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Electric Traction MCQs
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Electric Traction MCQs
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25 Questions

1. The efficiency of diesel locomotives is nearly
2. In tramways which of the following motors is used?
3. Suri transmission is
4. Battery operated trucks are used in
5. In a steam locomotive electric power is provided through
6. Quadrilateral speed-time curve pertains to which of the following services?
7. Speed-time curve of main line service differs from those of urban and suburban services on following account
8. For diesel locomotives the range of horsepower is
9. The braking retardation is usually in the range
10. Which of the following braking systems is used on steam locomotives?
11. Which of the following drives is suitable for mines where explosive gas exists?
12. Which of the following is the advantage of electric braking?
13. Which of the following is the disadvantage of electric traction over other systems of traction?
14. Power for lighting in passenger coach, in a long distance electric train, is provided
15. In case of steam engines the steam pressure is
16. The return circuit for tramcars is through
17. Watt-hours per tonne km is usually the specific energy consumption for suburban services.
18. The specific energy consumption of a train depends on which of the following?
19. An ideal traction system should have
20. ________ have maximum unbalanced forces
21. Locomotive having mono-motor bogies
22. The friction at the track is proportional to
23. Which of the following is the voltage for single phase A.C. system?
24. Which of the following happens in Kando system?
25. Automatic signalling is used for which of the following trains?