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← ScienceWhich outcome occurs when a jet engine exceeds design airflow?
A)Turbine blade stall and vibration✓
B)Maximum thrust is linearly improved
C)Fuel consumption reaches minimum levels
D)Compressor efficiency rises without limit
💡 Explanation
Turbine blade stall arise from increased turbulence. The reduced angle of attack induces boundary layer separation, creating instability and stall. Because stalled flow reduces lift and increases drag, therefore blade vibration occurs rather than increased combustion efficiency.
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