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- Acceleratory period begin after 6 hours of * hydration True O False O . Matter is de fined as إجابتك Felite is .. إجابتك2-64 Nitrogen enters a steady-flow heat exchanger at 150 kPa, 10°C, and 100 m/s, and it receives heat in the amount of 120 kJ/kg as it flows through it. Nitrogen leaves the heat exchanger at 100 kPa with a velocity of 200 m/s. Determine the Mach number of the nitrogen at the inlet and the exit of the heat exchanger.1) Air is compressed under Constant Entropy Process from 10 Psia, 3 ft³, 90°F to 50 Psia. Find the following: a) Final volume in ft³. b) Final temperature in °F. c) Work non-flow in BTU.
- An idead gas is taken from point b albng the diagonal path a to point ab. Let Cab denote the chect copatiy? af the Jor process where C and ab. gas Calculate Cab - Sv +Cp e denote the heat copacity of the ideal gas at constant volune ond constant pressure, pespectively. T- Te isotherm Pa isotherm VoQuestion 3 A 2L, 4-stroke, 4-cylinder petrol engine has a power output of 113.9 kW at 5500 rpm and a maximum torque of 235 N-m at 3000 rpm. When the engine is maintained to run at 5500 rpm, the compression ratio and the mechanical efficiency are measured to be 8.9 and 83.2%, respectively. Also, the volumetric efficiency is 93.1 %, and the indicated thermal efficiency is 43.76 %. The intake conditions are at 36.9 °C and 1.00 bar, and the calorific value of the fuel is 44 MJ/kg Determine the Air-Fuel ratio in kg/kgf at 5500 rpm. Use four (4) decimal places in your solution and answer.The sulfur dioxide (SO 2 ) stack gas concentration from fossil fuel combustion is 2 ppmv. Determine the stack gas SO2 concentration in units of ug/m 3 . Assume 0°C and 1 atm pressure.
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