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← ScienceWhich constraint causes reduced efficiency when superheated steam undergoes gas-to-liquid phase transition in a turbine?
A)Increased blade erosion probability✓
B)Decreased heat transfer coefficient
C)Elevated turbine back pressure
D)Amplified vibrational resonance modes
💡 Explanation
Lower-quality steam from gas-to-liquid phase transition creates liquid droplet impingement causing erosion; therefore, blade erosion risk increases because kinetic energy transfer damages metal, rather than causing thermal inefficiency or back pressure.
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