Railway Engineering
The main function of a fish plate is

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

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Railway Engineering
Flange-way clearance is the distance

Between the gauge faces of the stock rail and the tongue rail
Through which the tongue rail moves laterally at the toe of the switch
Between the adjoining faces of the running rail and the check rail near the crossing
None of these

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Railway Engineering
On a single rail track, goods trains loaded with heavy iron material run starting from ‘A’ to ‘B’ and then empty wagons run from ‘B’ to ‘A’. The amount of creep in the rails:

Cannot be determined from the given data
Will be more in the direction of A to B
Will be more in the direction of B to A
Will be maximum at the middle of A and B

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