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

only (i)
both (i) and (ii)
both (ii) and (iii)
(i), (ii) and (iii)

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Railway Engineering
Heel divergence is

Always greater than flange-way clearance
Equal to flange-way clearance
Sometimes greater than flange-way clearance
Always less than flange-way clearance

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