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← ScienceWhich outcome will occur inside a sealed steam turbine if superheated steam is rapidly cooled, without changing the load?
A)Erosion increases due to water droplets✓
B)Efficiency rises from increased expansion
C)Turbine blades experience minimal thermal stress
D)Bearing life dramatically increases immediately
💡 Explanation
Droplet erosion increases because the rapid cooling promotes phase transition, causing condensation into liquid water via homogeneous nucleation. This increased dampness leads to erosive wear rather than efficient function of components, therefore threatening the steam turbine, rather than decreasing stresses.
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