Railway Engineering
Which of the following factors govern the choice of the gauge ? i) volume and nature of traffic ii) speed of train iii) physical features of the country The correct answer is

both (i) and (ii)
only (i)
(i), (ii) and (iii)
both (ii) 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
Cannot be determined from the given data
Will be maximum at the middle of A and B
Will be more in the direction of A to B

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