FAA AMT Airframe Test 2026 – 400 Free Practice Questions to Pass the Exam

Proper pre-preg composite lay-up curing is generally accomplished by applying external heat and pressure. The correct answer, "Applying external heat and pressure," is essential for the proper curing of pre-preg composite materials. The combination of heat and pressure helps to activate the resin in the composite material, allowing it to cure and bond correctly.

Options B, C, and D are incorrect because relying on sunlight, refrigeration, or electrical curing alone is not sufficient for the proper curing of pre-preg composite materials. Sunlight may not provide consistent or controllable heat for curing, refrigeration is not typically used for curing composites, and electrical curing alone may not provide the necessary pressure required for optimal bonding of the composite materials.