CAD Specialist 3D Modeling and Design

Question 1

What is the primary purpose of 3D modeling in CAD?

Accepted Answer

Generate realistic three-dimensional objects

Answer

Create 2D sketches

Answer

Design website layouts

Answer

Edit raster images

Question 2

Which CAD feature is used to create a 3D model from a 2D shape?

Accepted Answer

Extrude

Answer

Trim

Answer

Scale

Answer

Hatch

Question 3

What is the function of the 'Revolve' command in 3D modeling?

Accepted Answer

Rotate a 2D profile around an axis to create a 3D shape

Answer

Create a linear extrusion

Answer

Generate surface textures

Answer

Apply colors to models

Question 4

Which file format is commonly used for saving 3D CAD models?

Accepted Answer

STL

Answer

JPG

Answer

TXT

Answer

DOCX

Question 5

What is the benefit of parametric modeling in 3D CAD?

Accepted Answer

Allows easy modifications by adjusting parameters

Answer

Creates static 3D objects

Answer

Reduces the need for dimensions

Answer

Eliminates geometric constraints

Question 6

Which 3D CAD tool is commonly used for surface modeling?

Accepted Answer

Loft

Answer

Fillet

Answer

Offset

Answer

Array