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← ScienceWhich outcome increases when a heat engine attempts supercritical fluid heating?
A)Reduced thermal energy conversion efficiency✓
B)Increased phase-transition temperature stability
C)Enhanced working-fluid density uniformity
D)Higher engine component mechanical durability
💡 Explanation
Inefficient phase-change heat transfer causes efficiency loss, because entering the supercritical region prevents the phase-transition driving temperature effects. Therefore, energy conversion decreases, rather than temperature stabilizing or mechanical components becoming durable. The transition dynamics are obscured.
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