Railway Engineering
The formation width for a railway track depends on the i) type of gauge ii) number of tracks to be laid side by side iii) slope of sides of embankment or cutting The correct answer is

only (i)
both (i) and (ii)
(i), (ii) and (iii)
both (i) and (iii)

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

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