Railway Engineering
A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?

22.5 tonnes
90.0 tonnes
15.0 tonnes
45.0 tonnes

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Railway Engineering
Switch angle is the angle between

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

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