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← ScienceWhich consequence results when the Carnot efficiency limit is reached during a refrigeration cycle?
A)Maximum cooling capacity is achieved
B)Entropy increase reverses spontaneously
C)Irreversible losses become minimized✓
D)Heat transfer rate reaches zero
💡 Explanation
When operating at Carnot efficiency, any real-world refrigeration cycle is performing reversibly; therefore, irreversible losses from friction/heat leakage are minimized, because at Carnot efficiency, all processes are reversible. Achieving maximum theoretical efficiency reduces rather than eliminating heat flow.
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