Questions
A Carnot engine takes in 3000 k- cal of heat from a reservoir at 627°C and gives it to a sink at 27°C. The work done by the engine is
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a
4⋅2×106J
b
8⋅4×106J
c
16⋅8×106J
d
zero
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Correct option is B
η=T1−T2T1=900−300900=23 W=ηQ=23×3000×1000×4⋅2 =8⋅4×106JSimilar Questions
For which combination of working temperatures of source and sink, the efficiency of Carnot's heat engine is maximum?
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