Drafting 1

The size of an ARC is typically specified by its:

• Diameter
• Circumference
• Chord
• Radius

Circle size is specified by:

• Chord
• Circumference
• Diameter
• Radius

Avoid dimensioning to:

• Hidden lines
• Center lines
• Extension lines
• Holes

2X on a hole note means:

• Double the size of the hole
• Reduce the stated size by 1/2
• The scale of the hole is doubled 
• There are two holes the same size

What is the length to width ratio of arrowheads?

• 1 : 1
• 2 : 1
• 5 : 1

Dimension lines should be:

• Thick and dark
• Thick and light
• Thin and dark 
• Thin and light 

What is the standard length for arrowheads?

• .031 (.5 mm)
• .063 (1 mm)
• .125 (3 mm)
• .250 (6 mm)

Extension lines are drawn:

• Extremely thick
• Thin
• Thick
• Extremely light

Leader lines should NOT be drawn:

• At 45 degrees
• At 30 degrees
• At 60 degrees
• Horizontally or vertically

Another name for SIZE DESCRIPTION is:

• Dimensioning 
• Orthographic projection
• Assembly drawing
• Pictorial drawing