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Which 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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