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

Question: 1 / 445

Which grit size is considered coarser?

36

The grit size of abrasives indicates the size of the abrasive particles, with lower numbers representing larger, coarser particles. A grit size of 36 is part of the coarser range, making it suitable for heavy material removal, surface preparation, or rough shaping of a workpiece.

In contrast, grit sizes like 46, 60, and 80 indicate progressively finer abrasives. These finer grits are designed for smoother finishes and less aggressive material removal. Therefore, a grit size of 36 is indeed considered coarser compared to the other options, which are better suited for polishing or finishing applications.

Recognizing the significance of grit size helps in selecting the appropriate abrasive for specific tasks, ensuring efficiency and desired results in machining or finishing processes.

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46

60

80

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