Projection Techniques Quiz

Which symbols represent third angle projection?

• 
• 

Explain the difference between first and third angle projection.

• First angle projection places the object between the observer and the plane of projection, while third angle projection places the plane of projection between the observer and the object.

• First angle projection is used primarily in the United States, while third angle projection is used in Europe.

• First angle projection results in a mirrored image, whereas third angle projection does not.

• First angle projection is used for architectural drawings, while third angle projection is used for mechanical drawings.

True or false? The angle of the line for isometric is 35 degrees.

• True

• False

What is the angle of isometric lines?

• 30 degrees

• 45 degrees

• 20 degrees

Isometric drawing is a _________ view of an object.

• three-dimensional

• two-dimensional

• one-dimensional

• four-dimensional

Define the term crating.

• A method of sketching freehand in 3D

• A type of fishing technique

• A style of painting

• A form of digital encryption

True or false? In third angle projection, the top view is placed above the front view.

• True

• False

True or false? In first angle projection, the right view is placed on the left side of the front view.

• True

• False

Which of the following is a characteristic of isometric drawing?

• All axes are at 90 degrees to each other

• All three axes are equally foreshortened

• It uses perspective to create depth

• It is primarily used for artistic purposes