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Fundamentals of Engineering Thermodynamics By Michael J.Moran 8th edition 5.83)Two kilograms of air within a piston-cylinder assembly execute...

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Mechanical Engineering

Fundamentals of Engineering Thermodynamics By Michael J.Moran8th edition

5.83)Two kilograms of air within a piston-cylinder assemblyexecute a Carnot power cycle with maximum and minimum temperaturesof 750 K and 300 K, respectively. The heat transfer to the airduring the isothermal expansion is 60kJ. At the end of theisothermal expansion the volume is 0.4m^3. Assuming the ideal gasmodel for the air, determine

(a) the thermal efficiency (b) the pressure and volume at thebeginning of the isothermal expansion, in KPa and m^3,respectively. (c) the work and heat transfer for each of the fourprocesses, in kJ. (d) Sketch the cycle on P-V coordinates.

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