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Electric Traction - Interview Questions and Answers

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51. 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
Explanation:
52. In case of ________ free running and coasting periods are generally long.
A. main-line service
B. urban service
C. sub-urban service
D. all of the above
Explanation:
53. The braking retardation is usually in the range
A. 0.15 to 0.30 km phps
B. 0.30 to 0.6 km phps
C. 0.6 to 2.4 km phps
D. 3 to 5 km phps
Explanation:
54. If the co-efficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails ?
A. 0.3
B. 0.26
C. 0.225
D. 0.16
Explanation:
55. Specific energy consumption is affected by which of the following factors ?
A. Retardation and acceleration values
B. Gradient
C. Distance between stops
D. All of the above
Explanation:
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