Railway Engineering
The formation width for a railway track depends on the i) type of gauge ii) number of tracks to be laid side by side iii) slope of sides of embankment or cutting The correct answer is

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

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