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

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

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Railway Engineering
Flange-way clearance is the distance

Through which the tongue rail moves laterally at the toe of the switch
Between the gauge faces of the stock rail and the tongue rail
None of these
Between the adjoining faces of the running rail and the check rail near the crossing

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