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?

45.0 tonnes
15.0 tonnes
22.5 tonnes
90.0 tonnes

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Railway Engineering
Heel divergence is

Always less than flange-way clearance
Equal to flange-way clearance
Always greater than flange-way clearance
Sometimes greater than flange-way clearance

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