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(30%) Q5. Composition of gas in diesel engine after combustion engine is 5% oxygen, 20% carbon...

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Mechanical Engineering

(30%) Q5. Composition of gas in diesel engine after combustionengine is 5% oxygen, 20% carbon dioxide, 15% water vapor, andremaining is nitrogen gas in volume. Temperature and pressure ofthe gas is 1800K and 6 MPa. This gas is isentropically expanded tothe atmospheric pressure. Use air standard assumption.
a) Calculate the required properties of gas mixture (specificheats, gas constant, etc.)
b) Calculate the power generated expansion for per kg ofmixture.
c) What is the temperature of gas after the expansion process.

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