Engineering, 05.07.2021 14:20, carsyn2016

An engine developes a brake power of 20.5kW and consumes 6.0litres of petrol during testing for 45minutes. Assuming the specific density and the calorific value of petrol used were 0.78 and 46MJ/kg respectively; determine the brake thermal efficiency and specific brake fuel consumption. Note: 1litre = 1 kg.

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An engine developes a brake power of 20.5kW and consumes 6.0litres of petrol during testing for 45mi...