0.5 m of air at TI = 67 °C, Pi = 700 kPa undergoes a polytropic expansion to a final %3D pressure of 350 kPa. The process follows pV3= constant and the work done by the air is 175 kJ. Assuming ideal gas behavior for the air, and neglecting kinetic and potential energy effects, determine: (a) the final temperature, in °C. emo (b) the heat transfer, in kJ. Air

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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QUESTION II:
0.5 m' of air at T1 = 67 °C, P1 = 700 kPa undergoes a polytropic expansion to a final
pressure of 350 kPa. The process follows pV3 = constant and the work done by the air is 175 kJ.
Assuming ideal gas behavior for the air, and neglecting kinetic and potential energy effects,
determine:
(a) the final temperature, in °C.
(b) the heat transfer, in kJ.
Air
Transcribed Image Text:QUESTION II: 0.5 m' of air at T1 = 67 °C, P1 = 700 kPa undergoes a polytropic expansion to a final pressure of 350 kPa. The process follows pV3 = constant and the work done by the air is 175 kJ. Assuming ideal gas behavior for the air, and neglecting kinetic and potential energy effects, determine: (a) the final temperature, in °C. (b) the heat transfer, in kJ. Air
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