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

Question: 1 / 1030

What is added to wet resins to provide strength for the repair of damaged fastener holes in composite panels?

Epoxy only

Water

Flox and Chopped fibers

Flox and Chopped fibers are added to wet resins in order to provide strength for the repair of damaged fastener holes in composite panels. Option A, Epoxy only, is incorrect because while epoxy is commonly used in repairs for composite materials, it alone does not provide enough strength for repairing damaged fastener holes. Option B, Water, is incorrect because adding water to wet resins would weaken the overall structural integrity of the repaired area. Option D, Sand, is incorrect because adding sand to wet resins would not provide enough strength and could also potentially damage the surface of the composite panel.

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Sand

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