CH 2 Orthographic Projection

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

• Isometric

• Good

• 2D

• 3D

In the United States, what angle projection is used as the standard?

• 1st

• 2nd

• 3rd

• 4th

The front and right side views are aligned

• Vertically

• Horizontally

• At a 45deg Angle

• They do not align up

The front and top views are aligned

• Vertically

• Horizontally

• At a 45deg Angle

• 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

• Back

• Right Side

• 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.