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← ScienceWhich consequence results when a Carnot engine operates far from equilibrium?
A)Reduced thermal efficiency occurs✓
B)Increased mechanical work output
C)Isothermal expansion becomes adiabatic
D)Refrigeration cycle becomes spontaneous
💡 Explanation
Reduced thermal efficiency occurs because irreversible processes generate entropy during the cycle; that deviation from equilibrium conditions diminishes available work rather than maintaining ideal Carnot efficiency limited by the temperatures.
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