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A Cannot engine discharge 3 J of heat into the low-temperature reservoir for every 2 J of work output. (a) what is the efficiency of this Cannot engine? (A) 1/3 (B) 2/5 (C) 3/5 (D)2/3 (b) For this engine Tl = 27ºC. What can be concluded about TH? (A) TH = 627ºC. (B)TH=227ºC. (C) TH > 627ºC. (D)TH(E) 227ºC H
(a) The correct option is (A) 1/3.The efficiency ε of a Carnot engine is defined as,
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