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Which outcome results when exceeding the design limits of a Carnot heat engine?

A)Reversed direction of thermodynamic irreversibility
B)Engine operation becomes perpetually isentropic
C)Internal losses increase heat generation
D)Isothermal expansion immediately ceases operation

💡 Explanation

Increased internal friction, turbulence, and component stress will each increase heat generation causing internal engine losses because energy dissipates at a higher rate due to increased disorder; therefore, efficiency plummets rather than remaining perpetually isentropic or reversing fundamentally.

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