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Which risk increases when a jet engine compressor experiences boundary layer separation?

A)Engine stall becomes more probable
B)Combustion efficiency significantly increases
C)Thrust vectoring becomes unpredictable
D)Fuel consumption linearly decreases

💡 Explanation

Engine stall is more probable due to boundary layer separation inducing turbulence. Elevated turbulence decreases pressure recovery because momentum transfer mixes slow and fast moving air rather than maintaining a smooth flow; therefore, stall risk grows, rather than efficient combustion.

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