Deck 5: Orthographic Projection

Question 1

When a drawing includes all of the information needed for the manufacture of a part, including all necessary views, notes, symbols, and dimensions it is a working drawing.

Answer 1

True

Question 2

A system of showing a three-dimensional object in two dimensions by projecting one or more views of an object onto flat planes is:

A)an oblique projection
B)an isometric projection
C)an orthographic projection
D)all of the above are correct

Answer 2

C

Question 3

First angle projection places the object in this quadrant of the horizontal and vertical viewing plane system:

A)First
B)Third

Answer 3

A

Question 4

The ISO projection symbol has a:

A)Circular shape
B)Cylindrical shape
C)Conical shape
D)Triangular shape

Question 5

Orthographic projection in which the right-side view is shown to the right of the front view is

A)First-angle projection
B)Third-angle projection

Question 6

The main difference between the two internationally recognized projection systems is:
The position in which the   views appear on the drawing:

A)Whether they use the inch system or the metric system for dimensions
B)The position in which the   views appear on the drawing
C)One is orthographic, the other is isometric

Question 7

Usually the front, top, and one side view are sufficient to provide the necessary information.

Question 8

In order to interpret engineering drawings, a user must:

A)Visualize the completed object by examining the drawing itself
B)Know and understand certain standardized signs and symbols
C)Both of the above are required
D)Neither a nor b is required

Question 9

The process of forming a mental picture of an object is:

A)Interpretation
B)Visualization
C)Projection
D)Imagination

Question 10

Orthographic projection in which the right-side view is shown to the left of the front view is

A)First-angle projection
B)Third-angle projection

Question 11

In third-angle projection:

A)The planes of projection are between the observer and the object
B)The object is between the observer and the planes of projection
C)Both a and b are correct
D)Neither a nor b is correct