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← ScienceWhich outcome results when increased jet engine thrust approaches the compressor stall boundary?
A)Reduced fuel consumption and optimal combustion
B)Blade flutter initiating resonant vibrations✓
C)Decreased nozzle exhaust gas velocity
D)Increased laminar airflow over turbine blades
💡 Explanation
Blade flutter initiates vibrations because when the adverse pressure gradient increases near stall, flow separation occurs, driving self-excited oscillations as an aeroelastic mechanism. Therefore, blade flutter and resonant oscillations initiate, rather than optimal airflow because stall affects the entire gas pathway.
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