Question: A 2 - litre 4 - stroke diesel engine is designed to run at 4 5 0 0 RPM with a power output of 4

A 2-litre 4-stroke diesel engine is designed to run at 4500 RPM with a power
output of 45 kW. The volumetric efficiency is 80%. The BSFC is 71 g/MJ
and the calorific value of the fuel is 42 MJ/kg. The ambient conditions are
30C,1 bar. Determine the BMEP, brake thermal efficiency and theair-fuel
ratio

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