Railway Engineering
The main function of a fish plate is

To join rails with the sleeper
To join the two rails together
To allow rail to expand and contract freely
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:

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

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