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← ScienceWhich outcome occurs as the Carnot cycle continues indefinitely, without external work?
A)Isothermal expansion increases efficiency
B)Entropy generation leads to irreversibility✓
C)Adiabatic compression maintains equilibrium
D)Reversible heat transfer remains constant
💡 Explanation
Entropy production increases because friction and other irreversibilities accumulate, disrupting the idealized Carnot assumptions. Irreversible processes reduce available thermal energy, leading to cycle degradation; therefore entropy increases, rather than sustained equilibrium, unlike an ideal theoretical cycle.
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