Railway Engineering
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be

6.61
19.81
13.21
26.41

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Railway Engineering
Flange-way clearance is the distance

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

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