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73. What is meant by reversible engine? Explain why the efficiency of a reversible engine is maximum? |
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Answer» In thermodynamics, areversibleprocess is a process whose direction can be "reversed" by inducing infinitesimal changes to some property of the system via its surroundings. ...Reversibility meansthe reaction operates continuously at quasiequilibrium AReversibleHeatEngineshas themaximum efficiency. ... This taking heat from a single reservoir and turning it to work with no other changes is a contradiction to theCarnotassumption. Thus to stay consistent: No heatenginecan haveefficiencygreater than areversibleheatengine |
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