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Which risk increases when exceeding turbine design limits in a power plant's Rankine cycle?

A)Decreased condenser vacuum efficacy
B)Accelerated blade cavitation erosion
C)Increased superheater tube corrosion
D)Reduced feedwater pump efficiency

💡 Explanation

Exceeding turbine design limits promotes bubble formation and collapse due to rapid pressure changes; therefore increased blade cavitation erosion occurs because collapsing bubbles damage the surfaces, rather than affecting vacuum, tube condition, or pump efficiency.

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