An automobile engine operates at a fuel air ratio of 0.05, volumetric efficiency of 90% and indicated thermal efficiency of 30%. Given that the calorific value of the fuel is 45 MJ/kg and the density of air at intake in 1 kg/m3, the indicated mean effective pressure for the engine is

An automobile engine operates at a fuel air ratio of 0.05, volumetric

1.	An automobile engine operates at a fuel air ratio of 0.05, volumetric efficiency of 90% and indicated thermal efficiency of 30%. Given that the calorific value of the fuel is 45 MJ/kg and the density of air at intake in 1 kg/m3, the indicated mean effective pressure for the engine is
A.	6.075 bar
B.	6.75 bar
C.	67.5 bar
D.	243 bar
Answer» B. 6.75 bar

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An automobile engine operates at a fuel air ratio of 0.05, volumetric efficiency of 90% and indicated thermal efficiency of 30%. Given that the calorific value of the fuel is 45 MJ/kg and the density of air at intake in 1 kg/m3, the indicated mean effective pressure for the engine is

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