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Electric Traction - Interview Questions and Answers

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36. The rate of acceleration on suburban orurban services is restricted by the consideration of
A. Engine power
B. Track curves
C. Passenger Discomfort
D. Track size
Explanation:
37. Quadrilateral speed-time curve pertains to which of the following services ?
A. Main line service
B. Urban service
C. Sub-urban service
D. Urban and sub-urban service
Explanation:
38. Locomotive having monomotor bogies
A. has better coefficient of adhesion
B. are suited both for passanger as well as freight service
C. has better riding qualities due to the reduction of lateral forces
D. has all above qualities
Explanation:
39. The voltage used for suburban trains in D.C. system is usually
A. 12 V
B. 24 V
C. 220 V
D. 600 to 750 V
Explanation:
40. Co-efficient of adhesion reduces due to the presence of which of the following ?
A. Sand on rails
B. Dew on rails
C. Oil on the rails
D. both (b) and (c)
Explanation:
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