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

A no-go ring gauge is specifically designed to check that a part does not exceed a certain maximum size. The defining characteristic of a no-go gauge is its design feature, which typically includes an annular ring on the knurled surface. This design allows users to distinctly identify the gauge as a no-go type. When inspecting a part, if it fails to pass through this ring, it signals that the part is out of tolerance and exceeds the maximum allowable size.

The other identifiers mentioned, such as color-coded markings, shape of the handle, or size of the gauge, may not provide clear or distinct indications specifically for identifying a no-go gauge. These elements can be present in both go and no-go gauges or can vary widely across different types of gauges, making them less reliable for identification purposes. Thus, the annular ring on the knurled surface is the most effective and accurate means of recognizing a no-go ring gauge, ensuring proper application in quality control processes.