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Which risk increases when supercritical carbon dioxide power plant efficiency nears critical point during a cooling cycle?

A)Turbine blade solid particle erosion
B)Heat exchanger tube deformation increases
C)Compressor surge margin reduces sharply
D)Pump cavitation damage intensifies rapidly

💡 Explanation

Pump cavitation damage intensifies during supercritical fluid phase fluctuations because isothermal compressibility amplifies minuscule pressure drops triggering rapid vapor bubble formation via the Joule-Thomson effect. Therefore, cavitation increases, rather than other forms of thermo-mechanical failure at constant conditions.

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