FAA AMT Airframe Test 2025 – 400 Free Practice Questions to Pass the Exam

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Why are gas turbine engine fuel systems very susceptible to ice formation?

Lack of proper insulation

High altitude flying conditions

Presence of water in the fuel

Gas turbine engine fuel systems are particularly vulnerable to ice formation due to the presence of water in the fuel. Other factors such as lack of proper insulation or low quality fuel can contribute to the formation of ice, but the main culprit is the presence of water. When the temperature drops below freezing, this water can freeze and clog up the fuel lines, disrupting the flow of fuel to the engine. This can result in a loss of engine power or even engine failure. High altitude flying conditions can also exacerbate this issue, as the air is thinner and colder, making it easier for ice to form. Therefore, the presence of water in the fuel is the primary reason for the susceptibility of gas turbine engine fuel systems to ice formation.

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Low quality of fuel used

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