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← ScienceWhich outcome results when insufficient cooling occurs within a gas turbine combustor?
A)Thermal fatigue reduces blade lifespan✓
B)Increased NOx emissions are generated
C)Compressor stall disrupts airflow stability
D)Volumetric efficiency rises asymptotically
💡 Explanation
Thermal fatigue reduces turbine blade lifespan due to repeated heating and cooling cycles. Creep occurs because the operating temperatures are consistently elevated due to insufficient cooling. Therefore, thermal fatigue impacts blade longevity rather than altering compressor behaviour or emissions.
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