Discussion
Statement I: Weak extinction is a particular risk during rapid deceleration.
Statement II: A sudden fuel reduction can take the mixture below the limit that sustains a flame.
In the light of the above statements, choose the correct answer.
Answer: D
Correct answer: Both Statement I and Statement II are correct
Both are true and the second gives the mechanism. Cutting the fuel faster than the airflow can fall leaves the primary zone too lean to sustain combustion, and once the flame is out the engine must be relit. This is why the fuel control schedules a minimum flow during deceleration, exactly as it schedules a maximum during acceleration.
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