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?

15.0 tonnes
45.0 tonnes
22.5 tonnes
90.0 tonnes

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Railway Engineering
A triangle is used for

Transferring wagons to and from parallel tracks without shunting
Preventing the vehicles from running off the track
Changing the direction of engine
Separating all the sidings and shunting lines from main lines

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