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← ScienceWhich outcome results when a steam turbine operates using two-phase steam?
A)Erosion increases due to droplet impact✓
B)Efficiency peaks from superheated vapor
C)Corrosion rates decrease significantly at inlet
D)Bearing stress reduced in rotor system
💡 Explanation
Erosion increases because two-phase flow causes cavitation and liquid droplet impingement onto turbine blades, creating surface fatigue. Therefore, erosion is amplified, rather than improved efficiency because superheated steam operation avoids water droplets.
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