Practice for the quiz.

Line and Dimension Standards

First Semester Classes

Object Line, .9mm pen used

Hidden Line .7mm pen used

Extension Line, .5mm pen used

Center Line, .5mm pen used

Dimension Line, .5mm pen used

Leader Line, .5mm pen used

The next time these lines appear try to name them before the answers appear.

At least 1/2 inchAway from edge

of drawing

At least 1/4 inchbetween dimensions

Center lineshang out 1/8

of an inch both ends of the hole

Text is drawnin 1/8 guide linesWith .7mm pen

Object Lines

.9mm Pen

Hidden Lines.7mm Pen1/8 dashes 1/32 gaps

Extension Lines

.5mm Pen

+ measures 1/8 by 1/8Use .5mm Pen

Leader arrow angle points toward center of hole

Object Line, .9mm pen used

Hidden Line .7mm pen used

Extension Line, .5mm pen used

Center Line, .5mm pen used

Dimension Line, .5mm pen used

Leader Line, .5mm pen used

Can you think of the answer before it appears with the next mouse click?

• The first dimension is always at least____ inch away from the edge of a drawing view.

1/2

• The second dimension in a stacked set has at least_____ inch between the two dimensions.1/4

• Which pen is used for center lines?.7mm.5mm.9mm

.5mm Pen

• Which pen is used for hidden lines?.7mm.5mm.9mm

.7mm

This show can be repeated until you are ready for the quiz…