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Which consequence results when entropy decreases within a Carnot engine?

A)Refrigeration performance will diminish
B)Mechanical energy output diminishes
C)Isothermal efficiencies decline proportionally
D)System irreversibility effects reduces notably

💡 Explanation

Decreased entropy generation in a Carnot engine leads to a decreased mechanical energy output because the Carnot cycle's efficiency is dependent on minimizing irreversible processes. Therefore, less work is extracted, rather than improved refrigeration or efficiency, because the thermal energy transferred is unchanged.

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