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Which risk increases when a geothermal power plant turbine undergoes rapid heating?

A)Increased solid particle deposition
B)Blade fatigue crack propagation
C)Reduced cooling fluid viscosity
D)Elevated generator stator reactance

💡 Explanation

Rapid heating causes increased thermal stress which accelerates blade fatigue crack propagation, because of the increased stress intensity at crack tips. Therefore, fatigue life decreases rapidly, rather than other purely fluid-related turbine effects.

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