FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

At what intervals should a rigid fuel line, 1/2 inch in diameter, be supported?

10 inches

12 inches

16 inches

A rigid fuel line with a diameter of 1/2 inch should be supported at intervals of 16 inches. This distance is determined based on the size and rigidity of the fuel line, as well as the weight of the fuel passing through it. Supporting the line at shorter intervals could lead to unnecessary strain on the fuel line, while supporting it at longer intervals could result in sagging, potentially causing damage or affecting the efficiency of the fuel line. Therefore, options A, B, and D are incorrect because they do not follow the recommended interval for supporting a 1/2 inch fuel line.

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20 inches

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