Twenty pounds of air initially at 1560°R, 3 atm fills a rigid tank. The air is cooled to 1040°R, 2 atm. For the air modeled as an ideal gas: a) Indicate the initial state, final state, and dead state on a T-v diagram b) Determine the heat transfer, in Btu c) Determine the change in exergy, in Btu, and interpret the sign using the T-v diagram of part (a) Let To = 520°R, Po = 1 atm and ignore the effects of motion and gravity.
Twenty pounds of air initially at 1560°R, 3 atm fills a rigid tank. The air is cooled to 1040°R, 2 atm. For the air modeled as an ideal gas: a) Indicate the initial state, final state, and dead state on a T-v diagram b) Determine the heat transfer, in Btu c) Determine the change in exergy, in Btu, and interpret the sign using the T-v diagram of part (a) Let To = 520°R, Po = 1 atm and ignore the effects of motion and gravity.
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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Twenty pounds of air initially at 1560°R, 3 atm fills a rigid tank. The air is cooled to 1040°R, 2 atm. For the air modeled as an ideal gas:
a) Indicate the initial state, final state, and dead state on a T-v diagram
b) Determine the heat transfer, in Btu
c) Determine the change in exergy, in Btu, and interpret the sign using the T-v diagram of part (a)
Let To = 520°R, Po = 1 atm and ignore the effects of motion and gravity.
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