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← ScienceWhich risk increases when a gas turbine cycle experiences blade erosion?
A)Reduced compressor surge margin
B)Increased specific fuel consumption
C)Elevated exhaust gas temperature✓
D)Faster turbine rotor overspeed
💡 Explanation
Increased blade clearance from erosion reduces aerodynamic efficiency; therefore, energy remains in the gas, resulting in elevated exhaust gas temperature, rather than improved efficiency or decreased temperatures, because the cycle converts less thermal energy to kinetic.
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