Q2/ An ideal gas, Cp= (2) R and Cv=R, undergoes the following mechanically reversible changes in series of nonflow processes: (a) From initial state of 40°C and 150 kpa, it is compressed adiabatically to 600 kpa. (b) It is then cooled to 40°C at a constant pressure of 600 kpa. (c) Finally, the gas is expanded isothermally to it is origin state. Calculate Q, W,Au and AH for each of the three processes and for the cycle. Repeat these calculations for exactly the same changes of state accomplished irreversibly with an efficiency for each process of 80 percent compacted with the corresponding mechanically reversible process.

Q2/ An ideal gas, Cp= (2) R and Cv=R, undergoes the following mechanically reversible changes in series of nonflow processes: (a) From initial state of 40°C and 150 kpa, it is compressed adiabatically to 600 kpa. (b) It is then cooled to 40°C at a constant pressure of 600 kpa. (c) Finally, the gas is expanded isothermally to it is origin state. Calculate Q, W,Au and AH for each of the three processes and for the cycle. Repeat these calculations for exactly the same changes of state accomplished irreversibly with an efficiency for each process of 80 percent compacted with the corresponding mechanically reversible process.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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