Railway Engineering
Composite sleeper index is the index of

Wear resistance and hardness
Toughness and wear resistance
Hardness and strength
Strength and toughness

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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
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

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