What is the purpose of using layers in AutoCAD?

• To change the drawing color

• To create 3D models

• To connect to the internet

• To better organize information

What does the polar array function do?

• Copy objects in a grid pattern

• Copy objects in a circular pattern

• Copy objects along a path

• Copy objects above and below the original

What is the purpose of using blocks in AutoCAD?

• To change object colors

• To decease file size

• To create 3D objects

• To reduce complexity

Which command would be used to draw a line 7.5 inches in a given direction at an angle of 20 degrees?

• 7.5,20d

• @7.5,20

• 7.5<20

• @7.5<20

The LINE command in ORTHO mode

• draws only horizontal lines

• draws only vertical lines

• draws only horizontal and vertical lines

• draws only digonal lines

A tangent line touches a circle:

• at its center

• at one point on its curcumference

• at many points on its circumference

• doe not touch it at all

The file format for CAD drawings is...

• .jpg

• .dwg

• .bmp

• .doc

What a center line used for?

• To represent an edge not visible 
• To show an alternate position
• To represent a line of symmetry 
• To eliminate a section of drawing not needed because of size

Which key can be used to quickly cancel a command?

• backspace
• esc
• tab
• enter

What a hidden line used for?

• To represent an edge not visible 
• To show an alternate position
• To represent a line of symmetry 
• To eliminate a section of drawing not needed because of size