3D MODELLING USING CAD - Practice Mode

1) What is the extension for 3D modelling file?

0.3d 0.3dm 0.3m 0.3dmo

Correct Answer: 0.3dm

Explanation:

0.3dm is the extension for 3D modelling file

2) Which command allows you to change 2D drawing into 3D model?

3D modelling Extrude C plan Ortho

Correct Answer: Extrude

Explanation:

Extrude command allows you to change 2D drawing into 3D model.

3) What is the full form of WCS?

Western Co- ordinate System World Co- ordinate System Wide Co -ordinate System Wrong Co-ordinate System

Correct Answer: World Co- ordinate System

Explanation:

The UCS (User Coordinate System) is the system in which you are working. The World Coordinate System (WCS) is the internal, high accuracy (10 digits) and absolute coordinate system.

4) How many types of 3D modelling are in AutoCad?

1 2 3 4

Correct Answer: 3

Explanation:

There are three types of 3D modelling are in AutoCad –
1) Solid Modelling
2) Wireframe Modelling
3) Surface Modelling

5) How many types of surfaces are in surface modelling?

1 2 3 4

Correct Answer: 2

Explanation:

There are two types of surfaces are in surface modelling
1) Parametric
2) Implicit

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