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← ScienceWhich outcome occurs when an aircraft's piston engine experiences rapid ascent?
A)Carburetor icing restricts fuel flow✓
B) detonation risk from rich mixture
C)Reduced engine cooling due to air
D)Increased cylinder pre-ignition probability
💡 Explanation
Carburetor icing occurs because the Venturi effect causes a pressure drop and rapid cooling: phase transition of water vapor in the air freezes and obstructs airflow. It affects mixture leaning, therefore performance drops off, rather than pre-ignition which stems from overheating.
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