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← ScienceWhich risk increases when exceeding a jet engine's EGT redline?
A)Turbine blade creep develops rapidly✓
B)Fuel pump cavitation risk increases
C)Compressor surge becomes self-sustaining
D)Combustion instability drives flameout
💡 Explanation
Excessive temperature accelerates turbine blade creep because it enhances the rate of plastic deformation at high homologous temperatures, which is a function of diffusion. Therefore, high temperature produces rapid degradation, increasing the likelihood of failure, rather than surging or cavitation, which don't directly arise from over-temperature.
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