Exam 4: Extension Lines and Dimension Lines

____ lines are used in dimensioning to show the size of an object.

In the accompanying figure, the line is a(n) ____ line.

Once the external shape and internal features of a part are represented by a combination of lines, further information is provided by ____.

Describe dimension lines.

What is used to give drawings size descriptions?

Describe extension lines.

Briefly describe the accompanying figure.

A space of ____ inch is usually allowed between the object and the beginning of the extension line.

Dimension lines are thin lines broken at the dimension and ending with ____.

Describe the size, placement, and types of arrowheads in an extension line.

In an extension line, a(n) ____ arrowhead is preferred.