Orthographic Drawing Quiz

What is an orthographic projection symbol used to represent a hidden line?

• curved line

• dotted line

• solid line

• dashed line

Which of the following is an example of an orthographic projection?

• Front view of a car

• Side view of a mountain

• Aerial view of a city

• Top view of a building

What does a dashed line represent in an orthographic projection?

• Hidden or invisible line

• Curved line

• Solid line

• Visible line

In an orthographic projection, what does a circle with a cross inside represent?

• Boundary line

• Center point or viewing point

• Vanishing point

• Axis of rotation

Which of the following is not a common orthographic projection symbol?

• B

• C

• A

• D

What is the purpose of an orthographic projection?

• To represent a three-dimensional object in two dimensions

• To measure the dimensions of a three-dimensional object

• To create a realistic rendering of a three-dimensional object

• To create a physical model of a three-dimensional object

Which of the following is an example of a front view in an orthographic projection?

• Option B

• Option C

• Option D

• Option A

What does a thick solid line represent in an orthographic projection?

• Dimension line

• Dashed line

• Visible edge or surface

• Hidden edge or surface

What is the difference between an orthographic projection and an isometric projection?

• An orthographic projection is a two-dimensional representation of a two-dimensional object with parallel lines of sight, while an isometric projection is a three-dimensional representation of a three-dimensional object with equal angles of sight.

• An orthographic projection is a three-dimensional representation of a three-dimensional object with equal angles of sight, while an isometric projection is a two-dimensional representation of a three-dimensional object with parallel lines of sight.

• An orthographic projection is a two-dimensional representation of a three-dimensional object with equal angles of sight, while an isometric projection is a three-dimensional representation of a two-dimensional object with parallel lines of sight.

• An orthographic projection is a two-dimensional representation of a three-dimensional object with parallel lines of sight, while an isometric projection is a three-dimensional representation of a three-dimensional object with equal angles of sight.

Which of the following is an example of a top view in an orthographic projection?

• A view that shows the interior of an object

• A view that shows the top surface of an object

• A view that shows the bottom surface of an object

• A view that shows the side surface of an object