Surface finish is typically checked with what type of resource?

The correct choice for checking surface finish is the comparison chart. A comparison chart provides a standardized means of assessing the quality of a surface by comparing it against known standards. These charts can include illustrations or photographs of various surface finishes, allowing a skilled operator to visually evaluate a workpiece by matching its surface with the most appropriate standard on the chart. This method helps in determining whether the surface finish meets the required specifications for a given application.

While visual inspection can also be used to assess surface finish, it lacks the precision and standardization that a comparison chart offers. Digital software and laser scanners are more advanced tools, but they are not as commonly utilized for basic surface finish comparison in practical settings. Therefore, the comparison chart serves as a reliable and straightforward resource for quickly evaluating and ensuring the desired surface finish quality.