Solved: A heat engine whose thermal efficiency is 35
Chapter 7, Problem 7169E(choose chapter or problem)
A heat engine whose thermal efficiency is 35 percent uses a hot reservoir at 1100 R and a cold reservoir at 550 R. Calculate the entropy change of the two reservoirs when 1 Btu of heat is transferred from the hot reservoir to the engine. Does this engine satisfy the increase of entropy principle? If the thermal efficiency of the heat engine is increased to 60 percent, will the increase of entropy principle still be satisfied?
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