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7. A power cycle operating between two thermal reservoirs receives energy QH by heat transfer from a hot reservoir at TH = 1600 K and rejects energy QC by heat transfer to a cold reservoir at TC = 400 K. For each of the following cases determine whether the cycle operates reversibly, operates irreversibly, or is impossible. a. QH = 1000 kJ, 7 = 75% b. QH = 1100 kJ, Wcycle = 800 kJ c. QH = 900 kJ, QC = 300 kJ

7. A power cycle operating between two thermal reservoirs receives energy QH by heat transfer from a hot reservoir at TH = 1600 K and rejects energy QC by heat transfer to a cold reservoir at TC = 400 K. For each of the following cases determine whether the cycle operates reversibly, operates irreversibly, or is impossible. a. QH = 1000 kJ, 7 = 75% b. QH = 1100 kJ, Wcycle = 800 kJ c. QH = 900 kJ, QC = 300 kJ

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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7. A power cycle operating between two thermal reservoirs receives energy QH by heat transfer from a hot reservoir at TH = 1600 K and rejects energy QC by heat transfer to a cold reservoir at TC = 400 K. For each of the following cases determine whether the cycle operates reversibly, operates irreversibly, or is impossible. a. QH = 1000 kJ, ŋ = 75% b. QH = 1100 kJ, Wcycle = 800 kJ c. QH = 900 kJ, QC = 300 kJ
Transcribed Image Text:7. A power cycle operating between two thermal reservoirs receives energy QH by heat transfer from a hot reservoir at TH = 1600 K and rejects energy QC by heat transfer to a cold reservoir at TC = 400 K. For each of the following cases determine whether the cycle operates reversibly, operates irreversibly, or is impossible. a. QH = 1000 kJ, ŋ = 75% b. QH = 1100 kJ, Wcycle = 800 kJ c. QH = 900 kJ, QC = 300 kJ
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