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← ScienceWhich risk increases when a jet engine's turbine blades experience internal hot corrosion?
A)Decreased creep rupture resistance✓
B)Elevated adiabatic flame temperature
C)Increased surge margin stability
D)Reduced exhaust gas emissions
💡 Explanation
Decreased creep rupture resistance occurs because sulfidation from hot corrosion weakens the blade material grain boundaries via oxidation. Therefore, higher temperatures and stresses can then cause earlier creep failure, rather than prolonged operation, because sulfidation undermines structural strength.
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