Millwright Level 1 Practice Exam 2025 - Free Millwright Practice Questions and Study Guide

Question: 1 / 445

Which type of wheel is most effective for cleaning scale and dirt off a workpiece?

Sandpaper wheel

Cup wheel

Wire wheel

The wire wheel is the most effective type for cleaning scale and dirt off a workpiece due to its construction and the nature of the materials it is made from. Wire wheels consist of multiple strands of steel wire twisted together, providing a more aggressive scrubbing action as they make contact with the surface. This action is effective in removing rust, paint, and scale without damaging the underlying material when used properly.

The wire bristles can reach into small crevices and surface irregularities, ensuring a thorough cleaning that other wheel types may not achieve. Additionally, wire wheels are versatile, enabling them to work on a variety of materials including metals, plastics, and wood, making them a favored choice for maintenance tasks that involve removing contaminants or preparing surfaces for further treatment or finishing.

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Diamond wheel

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