Engineering Your Future Ch. 8 Graphics and Orthographic Projection

T/F A single line in an orthographic view always represents the edge view of a surface

False a single line also represents an intersection of two surfaces

T/F Within the U.S., First Angle Projection is widely used, while European countries mainly use third angle projection

False.

Hidden lines in orthographic projection are drawn with dashed lines

True

List the following lines in terms of their precedence, from highest precedence to lowest: a. Visible, Center, Hidden b. Center, Visible, Hidden c. Center, Hidden, Visible d. Visible, Hidden, Center

d. Visible, Hidden, Center

Which of the following descriptions represents a negative cylindrical feature? a. A hole drilled through a cylinder b. The outside surface of the cylinder

a. A hole drilled through a cylinder

What of the following is true about the difference between an inclined surface and an oblique surface? a. An inclined surface is shown edge view in exactly one orthographic view b. An oblique surface is shown edge view in at least one orthographic view c. An inclined surface appears foreshortened in all 3 orthographic views d. An oblique surface is seen true size in at least one orthographic view

a. An inclined surface is shown edge view in exactly one orthographic view

If you wished to draw an object at half scale, which scale face on the engineer's scale would you use? a. 10 b. 20 c. 40 d. 50

b. 20

What is the term for the types of views provided with the Glass Box Theory? a. Isometric views b. Orthographic views c. Perspective views d. Oblique views

b. Orthographic views

In which type of pictorial drawing do depth dimensions converge on a common point? a. Isometric b. Perspective c. Orthographic d. Oblique

b. Perspective