Engineering, 05.10.2019 12:00 clairajogriggsk
Gas is sampled at 1 bar pressure from the exhaust manifold of an internal combustion engine and analyzed. the mole fractions of species in the exhaust are: h2o=0.0468; co2=0.0585; o2=0.123; n2=0.712 (d) the engine has a displaced volume of 2 liters. estimate approximately the percentage by which the fuel flow rate would be increased if this engine were operated at its maximum load at this same speed (2000 rev/min). explain briefly what limits the equivalence ratio at maximum load. hint use equivalent fuel to air ratio of 0.7 at engine maximum load.
Answers: 1
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
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Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
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Engineering, 04.07.2019 18:10
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
Gas is sampled at 1 bar pressure from the exhaust manifold of an internal combustion engine and anal...
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