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A totally reversible power plant receives heat from a source at 600 K at a rate of 100 kW and rejects the waste heat its

A totally reversible power plant receives heat from a source at 600 K at a rate of 100 kW and rejects the waste heat its surroundings at an unknown temperature. What is the second-law efficiency of this power plant?Ltfen birini sein: a. 30% b. 50% c. 60% d. 100% e. Insufficient information

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