Industrial Maintenance Technician Practice Test

The best cleaning agent for removing oil-based paint from painting tools is mineral spirits. Mineral spirits are a petroleum-derived solvent specifically designed to dissolve oil-based substances, making them highly effective for cleaning brushes, rollers, and other tools that have come into contact with oil-based paints. Their ability to break down the paint's viscosity allows the paint to be removed easily without damaging the tools.

In contrast, water is not suitable for cleaning oil-based paints because oil and water do not mix; therefore, water will simply bead off the paint rather than remove it. Turpentine is also an effective solvent for oil-based paints and might be considered a second choice; however, it has a stronger odor and can be more toxic, making mineral spirits a more user-friendly option. Vinegar, while useful for some cleaning tasks due to its acidity, does not effectively dissolve oil-based paints and is not recommended for this specific cleaning need.

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