12) One micro-inch is equal to
One millionth of an inch
Related Surface Finish MCQ - Turner (Set-1) with Answers
Normal profile is the contour of a surface in a plane perpendicular to the surface, unless some other angle is specified
Checking vertical and horizontal alignment
Polishing and buffing are finishing processes for smoothing a work piece's surface using an abrasive and a work wheel or a leather strop. Technically polishing refers to processes that use an abrasive that is glued to the work wheel, while buffing uses a loose abrasive applied to the work wheel.