Question: A four - stroke four - cylinder gasoline engine has bore of 8 0 mm and a stroke of 1 0 0 mm . When

A four-stroke four-cylinder gasoline engine has bore of 80 mm and a stroke of 100 mm. When running at 3000 rpm, it develops a torque of 75 Nm. If the clearance volume in each cylinder is 60 cc, the relative efficiency with respect to brake thermal efficiency is 0.5 and the calorific value of fuel is 42 MJ/kg. Determine: Brake power Brake thermal efficiency Fuel consumption in kg/hr Brake mean effective pressure Brake specific fuel consumption

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