Exam 12: Surface Texture

The symbol indicates that no material removal is required.

A microinch (one millionth of an inch) can be specified as ____.

The abbreviation for roughness average is Rª.

Roughness average is measured in microinches, micrometers, or roughness grade.

Most surfaces that have contact with a mating part have a specified texture requirement.

The direction of the predominant surface pattern is called ____.

Surface irregularities are called ____.

A micrometer (one millionth of an meter) can be specified as ____.

The symbol for "plus or minus" is ____________________.

Which of the following symbols indicates that material removal is prohibited?

The symbol stands for____________________.

The abbreviation for micrometer is ____________________.

The word texture may also be called ____________________.

Where all surfaces of a part require the same quality of finish, a general note may be used to specify the finish and finish symbols need not be used on the part drawing.