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← ScienceWhich outcome dramatically reduces heat engine efficiency when water transitions to steam at high pressure?
A)Increased turbine blade stress corrosion✓
B)Reduced condenser heat transfer rate
C)Lower overall cycle thermal resistance
D)Decreased working fluid mass flow
💡 Explanation
Increased turbine blade stress corrosion occurs via pitting because superheated zones during the vaporization phase transition concentrate impurities; therefore corrosive attack accelerates, rather than the alternatives of only affecting the heat transfer or mass flow.
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