Railway Engineering
Two important constituents in the composition of steel used for rail are

Carbon and manganese
Carbon and sulphur
Carbon and silicon
Manganese and phosphorous

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

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