Exam 20: Alphabet of Lines

__________ lines are used on drawings to represent centerlines.

An object line is a __________, __________ line used to show the outline and/or shape of an object.

Explain the term symmetrical.

__________ lines are used on drawings to represent edges that are hidden from normal view.

A dashed line that is used to show important overhead construction is called a(n) __________ line.

A line used to show where a section view is taken from and in what direction it is viewed is called a(n) __________ line.

A(n) __________ line is drawn on the view through which an imaginary cut is made to show interior detail.

To lay out an arc of a circle, the __________ and ___________must be known.

In drawings used for construction, object lines are __________ lines.

Dashed lines are called __________ lines.

__________ lines are used to associate a label with an object. They also usually have arrow heads.

A line used to indicate the extent of a dimension line is called a(n) __________ line.

On construction drawings, the center of an arc is shown by __________ lines.

Explain why the weight or thickness of lines varied on a drawing.

Dimensions that can be added together to come up with one overall dimension are called ___________ _____________.

Dimension, leader, and extension lines are represented on drawings by a __________ line.