Answer to Question #143321 in Physics for mahmoud

Question

1.3 0.12 m3 of a certain fluid is processed according to the following cycle.
It is cooled reversibly at constant pressure of 1.5 bar to a certain condition;
the work done is then 2.8 kJ. Another cooling is done reversibly at a constant
volume until a pressure of 0.7 bar is reached. The fluid is then compressed
reversibly to a pressure of 3.5 bar according to the law pvn = c. The fluid is
then heated reversibly at constant volume until a pressure of 5.5 bar is
reached; the specific volume is then 0.4 m3/kg. Finally, reversible expansion
obeying the law pv2.1= c restores the fluid to its initial state. Calculate the
mass of fluid present, the value of the index n in the third process, and the net
work done on or by the fluid in the cycle. Sketch the cycle on both the p-v

Answer 1

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