FAA AMT Airframe Practice Exam 2026 – All-in-One Study Guide to Master Aviation Maintenance Technician Certification!

Question: 1 / 1030

In a gaseous oxygen system, what are vented to blow out plugs in the fuselage skin?

Oxygen filters

Pressure relief valves

Pressure relief valves are used in a gaseous oxygen system to safely release excess pressure. Oxygen filters, supply lines, and pressure regulators may be connected to the system, but they are not vented to blow out plugs in the fuselage skin. Therefore, they are not the correct answer. The pressure relief valve is the only option that accurately describes what is vented in this situation.

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Oxygen supply lines

Pressure regulators

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