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← ScienceWhich consequence results when deviating from isothermal expansion constraints in a Carnot engine?
A)Increased engine longevity expected
B)Reduced entropy generation occurs
C)Higher work output is achieved
D)Engine efficiency decreases substantially✓
💡 Explanation
Efficiency drops because any deviation introduces irreversibilities, increasing entropy with the result of added heat loss instead of work. The Carnot cycle’s efficiency demands isothermal and adiabatic processes; therefore, altering these minimizes efficiency rather than maximizing work.
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