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← ScienceWhich outcome results when the mass flow in a turbojet engine decreases during flight?
A)Compressor surge threshold decreases vastly
B)Increased thrust-specific fuel consumption (TSFC)✓
C)Combustion stability range widens safely
D)Turbine blade lifespan greatly increases
💡 Explanation
Increased TSFC happens because decreased mass flow reduces engine efficiency via the mechanism of incomplete fuel combustion; therefore, more fuel is necessary to maintain the same thrust, rather than improving compressor stability or blade life, which require specific design features.
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