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Transcribed Image Text:Problem 5.30 (8th Edition) An inventor claims to have developed a power cycle having a thermal efficiency of 40%, while operating between hot and cold reservoirs at temperature TH and TC = 300 K, respectively, where TH is (a) 900 K, (b) 500 K, (c) 375 K. For which of these cases can the inventor's claims be valid? b a & b с a b & c a, b & c None a & c
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