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← ScienceWhich risk specifically increases when a jet engine exceeds its ITT limit?
A)Turbine blade creep acceleration✓
B)Combustion chamber flame blowout
C)Compressor surge stall onset
D)Afterburner fuel flow oscillation
💡 Explanation
Exceeding the Inter-Turbine Temperature (ITT) limit accelerates turbine blade creep because it increases the thermal energy driving vacancy diffusion within the blade's metal alloy, therefore resulting in increased plastic deformation rather than immediate catastrophic failure.
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