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During the test, (C10H22) is burnt using an air-fuel ratio of 13:1 by weight. Determine the...
mean effective pressure is 8.5 Pecific fuel consumption is 3009 g/kWh, and the indicated A A six-cylinder, four-stroke gasoline engine having a bore of 90 mm and stroke of 100 mm has a compression ratio 8. On test, it develops a torque of 240 Nm when it was running at 2500 rpm. Given that the ratio of the indicated thermal efficiency to the theoretical air standard (a) The calorific (heat) value of the fuel Qv, (2 marks) (b) The indicated...
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: A. Brake power B. The brake mean effective pressure C....
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a. Brake power b. The brake mean effective pressure Friction losses...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power b) The brake mean effective pressure c) Friction losses...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cmº. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (b) The brake mean effective pressure, (c) Friction losses (d)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm². At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (2 mark) (b) The brake mean effective pressure, (1 mark)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
Question 1 25 Marks A fuel consisting of carbon, hydrogen, sulphur, oxygen and non-combustible is burnt under excess air conditions. A bomb calorimeter test gives the fuel energy content of 38.5 MJ/kg and after combustion the mass of ash is 5% of the original mass of fuel burnt. The percentage analysis of the exhaust gas yields (by basis) mass CO2 H20 N2 SO2 14.2% 15% 69.5% 0.3% O2 1% For this combustion calculation, assume 23% O2 and 77% N2 in...
1 kmol of gas Ethane is burned with 175 percent theoretical air in a steady flow combustion chamber. An analysis of the combustion gases reveals that all the hydrogen in the fuel burns to H2O but 95 percent of the Carbon burns to CO2 with the remaining 5 percent forming CO. Treating the air as dry air, determine; (a)The balanced combustion equation. (b)The air-fuel ratio. (c)The amount of heat transfer (in kJ/kg of fuel) from the combustion process if the...