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Which risk increases substantially when a jet engine operates near stall?

A)Compressor blade fatigue failure
B)Turbine disk over-temperature
C)Fuel injector nozzle clogging
D)Combustion chamber flameout

💡 Explanation

Operating near stall can induce aerodynamic instability and flow reversal, causing increased vibration, thus leading to high-cycle fatigue on compressor blades. This fatigue happens because fluctuating stresses exceed material limits, therefore crack initiation is accelerated rather than thermal or fuel-related issues immediately arising.

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