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← ScienceWhich process limits power extraction during steam turbine operation?
A)Condensate-induced blade trailing edge erosion✓
B)Thermal fatigue of coupling bolts
C)Gland seal failure due to superheat
D)Low pressure stage diaphragm cracking
💡 Explanation
Condensate causes erosion limiting the extraction, because water droplets form via homogeneous nucleation as steam expands and cools; therefore, material is removed rather than vapor continuing to expand while doing work, especially damaging the trailing edge impacting pressure.
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