Aviation Structural Mechanic 2025 – 400 Free Practice Questions to Pass the Exam

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What is the initial tool used to remove a screw to prevent drill wandering?

Drill

Screwdriver

Center punch

The initial tool used to remove a screw and prevent drill wandering is a center punch. A center punch creates a small indentation in the surface of the material, which serves two important purposes. Firstly, it provides a precise point for the drill bit to start, significantly reducing the likelihood that the drill will slip or wander off-center. This is especially important when working with screws or other fasteners where precision is necessary to avoid damaging surrounding areas or components. Secondly, by marking the surface, it allows for better control during the drilling process, ensuring that the drill penetrates the material at the intended spot. Therefore, using a center punch is a fundamental step in many mechanical processes to ensure accuracy and safety.

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