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← ScienceWhich outcome occurs when a steam turbine operates below its minimum load during power plant transitions?
A)Erosion from increased water droplet formation✓
B)Excessive blade temperatures cause creep failures
C)Generator overheating from reactive power imbalance
D)Increased corrosion rates due to oxygen starvation
💡 Explanation
Erosion increases because low loads cause desuperheating, leading to water droplets impacting turbine blades—a mechanism called moisture erosion. Wet steam increases wear, therefore erosion is higher rather than overheating or electrical issues, which arise from different system failures.
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