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AVM Powerplant Practice Test

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The purpose of an engine/inlet anti-ice system is primarily to
Correct Answer:
remove ice from engine and/or inlet areas
Explanation:
The main idea behind engine/inlet anti-ice systems is to keep the air path clear by removing ice that could block or distort airflow into the engine. By directing heated air to the engine face and inlet areas, ice that has formed is melted and shed, helping to restore smooth airflow and prevent performance loss or surge. While preventing new ice from forming is a beneficial side effect of heating those surfaces, the most critical outcome described here is removing ice from the engine and inlet areas to maintain proper ingestion of air. The other options either focus only on prevention or limit the area affected, which doesn’t capture the practical goal of keeping the inlet and engine face clear of ice.

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