A train wheel costs more than a typical bike. India imports many wheels, costing around ₹70,000 each. A coach has eight wheels, and many trains have 24 coaches. Calculate the total wheel cost ...

have bars or rods that connect the centre of a wheel to its outer edge. These train wheels are attached at either end of a large heavy axle. They must be strong to support the weight of the train.

So did the presence of crushed leaves and plants, which made the rails slippery and likely worsened sliding of the train wheels, the NTSB found. Earlier in the investigation the NTSB found the ...