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

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Railway Engineering
Switch angle is the angle between

the gauge face of the stock rail and outer face of the tongue rail
the outer face of the stock rail and the gauge face of the tongue rail
the gauge face of the stock rail and tongue rail
the outer face of the stock rail and tongue rail

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