Railway Engineering
Consider the following statements about concrete sleepers. 1. They improve the track modulus. 2. They have good scrap value. 3. They render transportation easy. 4. They maintain the gauge quite satisfactorily. Of these statements

1 and 2 are correct
1 and 4 are correct
3 and 4 are correct
2 and 3 are correct

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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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