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

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

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

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