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← ScienceWhich consequence results when supercritical water enters turbine stages?
A)Erosion increases due to cavitation✓
B)Efficiency drops because of condensation
C)Lubrication fails owing to oxidation
D)Overheating starts during autoignition
💡 Explanation
Erosion increases because cavitation bubbles in supercritical water collapse violently, producing microjets impacting the turbine blades. This is cavitation erosion rather than thermal shock or chemical corrosion, therefore, material loss leads to decreased performance.
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