Automobile Engineering in ME
A petrol engine of a car develops 125 Nm torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is

809.1 Nm
8.091 Nm
80.91 Nm
8091 Nm

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Automobile Engineering in ME
The lubrication oil flow in an engine is in the order as

Oil strainer, oil filter, relief valve, oil pump, cylinder block, cylinder head and oil pan
Oil pump, oil strainer, relief valve, oil filter, cylinder block, cylinder head and oil pan
Oil strainer, oil pump, relief valve, oil filter, cylinder head, cylinder block and oil pan
Oil strainer, oil pump, relief valve, oil filter, cylinder block, cylinder head and oil pan

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