Railway engineering

1. The object of providing a point lock is A. to ensure that each switch is correctly set B. to ensure that the point may not be operated while the train is on it C. to detect any obstruction between and tongue rail D. none of the above

to ensure that each switch is correctly set
to ensure that the point may not be operated while the train is on it
to detect any obstruction between and tongue rail
none of the above

Detailed SolutionThe object of providing a point lock is A. to ensure that each switch is correctly set B. to ensure that the point may not be operated while the train is on it C. to detect any obstruction between and tongue rail D. none of the above

3. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive? A. 15.0 tonnes B. 22.5 tonnes C. 45.0 tonnes D. 90.0 tonnes

15.0 tonnes
22.5 tonnes
45.0 tonnes
90.0 tonnes

Detailed SolutionA train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive? A. 15.0 tonnes B. 22.5 tonnes C. 45.0 tonnes D. 90.0 tonnes

4. The main function of a fish plate is A. To join the two rails together B. To join rails with the sleeper C. To allow rail to expand and contract freely D. None of the above

To join the two rails together
To join rails with the sleeper
To allow rail to expand and contract freely
None of the above

Detailed SolutionThe main function of a fish plate is A. To join the two rails together B. To join rails with the sleeper C. To allow rail to expand and contract freely D. None of the above

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