Orthographic Projection Questions

An orthographic projection is a ______ representation of a 3D object (fill in the blank)

In the United States, is ​ ​ ​ ​ (a)   projection used as the standard?

• First-Angle
• Third-Angle

The standard views used in an orthographic projection are... (circle all that apply)

• front

• top

• back

• right side

• left side

Are the front and top views aligned ​ (a)   ?

• vertically
• horizontally

The projection symbol, indicating the projection method used to create the drawing, is placed in the ______________ block (fill in the blank).

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

• front

• top

• right side

• botton

Hidden lines are used to indicate...

• edges and boundaries that you can see

• edges and boundaries that you can't see

• imaginary features

• symmetric features

Phantom lines are used to indicate.... (circle all that apply)

• alternate positions

• repeated detail

• related parts

• change in surface direction

Center lines are used to indicate.... (circle all that apply)

• axes of symmetry

• paths of motion

• circles of center

• change in surface direction

To indicate line importance we draw lines using different line...

• texture

• thicknesses

• colors

• symbols