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← ScienceWhich outcome occurs when real heat engine efficiency approaches theoretical Carnot efficiency?
A)Friction losses become negligible internally✓
B)Heat input precisely equals work output
C)Temperature gradients reach maximum levels
D)Internal irreversibilities reach maximum levels
💡 Explanation
When real heat engine efficiency approaches the Carnot limit isothermal and adiabatic processes become nearly reversible as friction is minimized, preventing the conversion of work into heat, increasing device performance therefore increased efficiency results from minimized friction rather than ideal energy conversion, exaggerated temperature gradients, or higher internal irreversibilities.
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