Drafting Line Types

Front

What line type is this? Options: section, cutting plane, angled, object

Back

section

Front

The indicated line is a(n) _________ line.

Back

object

Front

The indicated line is a(n) _____________ line.

Back

hidden

Front

Line B-B is called a ______________ line.

Back

cutting plane

Front

What kind of lines are these?

Back

center lines

Front

Hidden lines are:

Back

1/8" long dashes with 1/16" gaps in between.

Front

Center lines...

Back

...are 1/8" long dashes followed by 3/4" long dashes with 1/16" gaps in between.

Front

_______________ are long-short-short-long lines most often used to show the travel or movement of an object or a part in alternate positions. It can also be used to show adjacent objects or features.

Back

Phantom Lines

Front

__________________lines are thick (0.6 mm) dashed lines, that extend past the edge of the object 6mm (1/4") and have line segments at each end drawn at 90 degrees and terminated with arrows. The arrows represent the direction of the line of sight for the section view and they point away from the sectioned view.

Back

Cutting Plane

Front

________________are used to show where an object is broken to save drawing space or reveal interior features. These lines come in two forms: a freehand thick line, and a long, ruled thin line with zigzags.

Back

Break Lines