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Engineering, 23.11.2019 05:31 katie713518

Apower cycle receives energy qh by heat transfer from a hot reservoir at th 5 12008r and rejects energy qc by heat transfer to a cold reservoir at tc 5 4008r. for each of the following cases, determine whether the cycle operates reversibly, operates irreversibly, or is impossible.
(a) qh 5 900 btu, wcycle 5 450 btu
(b) qh 5 900 btu, qc 5 300 btu
(c) wcycle 5 600 btu, qc 5 400 btu
(d) thermo efficiency = 70%

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