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?

90.0 tonnes
22.5 tonnes
45.0 tonnes
15.0 tonnes

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Railway Engineering
Lead of crossing is the distance from the

heel of the switch to the theoretical nose of the crossing
heel of the switch to the toe of the switch
toe of the switch to the theoretical nose of crossing
toe of the switch to the actual nose of crossing

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