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← ScienceWhich consequence occurs when combustion completeness declines inside a turbojet engine?
A)Reduced thrust and fuel efficiency✓
B)Increased compressor stall margin
C)Decreased turbine blade temperatures
D)Enhanced bypass airflow effectiveness
💡 Explanation
Lower combustion completeness wastes fuel through incomplete oxidation, because chemical energy isn't fully converted to thermal energy. Therefore, thrust and efficiency diminish because heat released is lower, rather than higher performance due to optimized aerodynamics or temperature.
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