Questions
A Carnot engine has efficiency 25%. It operates between reservoirs of constant temperatures with
temperature difference of 80 K. What is the temperature of the low temperature reservoir?
detailed solution
Correct option is C
Efficiency of a Carnot engine, i.e.η=1−T2T1=T1−T2T1⇒ 25100=T1−T1−80T1⇒ 14=80T1⇒T1=320KT1=320−273=47∘CTemperature of the low temperature reservoir=47−80=−33∘CTalk to our academic expert!
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