Question: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 4 5 2 deg C and TC =

It is claimed that a certain cyclical heat engine operates between the temperatures of TH =452\deg C and TC =143\deg C and performs W =4.07 MJ of work on a heat input of QH =4.97 MJ. Which choice, by itself, is unreasonable about the claim

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