Exam 4: Alphabet of Lines

One type of dashed line, the ____ line, is used to show the edges of objects that would not otherwise be visible in the view shown.

Hidden lines are drawn as a series of unevenly sized short dashes.

The ____ line is used to show important overhead construction.

To lay out an arc or part of a circle, you do not need to know the radius.

The dimension (distance between the extension lines) is sometimes ____.

A dimension line is drawn from one ____ line to the next.

Some section views may not be referenced by a cutting-plane line on any other view.

Construction drawings use an alphabet of__________.

The most practical way to show exposed beams on a living room ceiling may be to show them on the floor plan with ___________lines.

All visible edges are represented by ____ lines.

A dimension line is drawn from one extension line to the next.

____ are used to show the centers of round or cylindrical objects.

The ____ of an arc is the distance from the center to the edge of the arc.

In order to show where an imaginary cut was made, a ____ line is drawn on the view through which the cut was made.

Extension lines ____.

____ lines are used to show the shape of an object.

Centerlines are used to indicate that an object is ____.

Dot dot lines are used for ______.

On construction drawings, the center of an arc is shown by crossing ____.

On construction drawings, dimensions are expressed in ____.