An orthographic projection is a __________ representation of a three-dimensional object?

• Isometric
• Good
• 2D
• 3D

In the United States, is 1st or 3rd angle projection used as the standard?

• 1st
• 3rd

The front and right side views are aligned

• Vertically
• Horizontally
• they do not align up

The front and top views are aligned

• Vertically
• Horizontally
• they do not align up

The projection symbol, indicating the projection method used to create the drawing, is placed in the ____________block.

• Title
• Revision
• Projection
• Tolerance

The standard views used in an orthographic projection are … ( select all that apply )

• Front
• Top
• Right side
• back
• Left side

The view that generally shows the most characteristics of the part and contains the least number of hidden lines.

• Front
• Top
• back
• Right side
• Left side

Hidden lines are used to indicate …

• edges and boundaries that you can see.
• edges and boundaries that you cannot see.
• imaginary features.
• symmetric features.

Phantom lines are used to indicate ...

• alternate positions.
• repeated detail.
• related parts.
• change in surface direction.

Centerlines are used to indicate ....

• axes of symmetry.
• paths of motion.
• circles of center.
• change in surface direction.