- MCQs on History of Autocad
- AutoCAD User Interface and Navigation MCQ
- AutoCAD Workspaces and Layouts MCQ
- AutoCAD Drawing Commands MCQ
- AutoCAD Coordinate Systems MCQs
- Modifying Commands MCQs
- AutoCAD Layers and Object Properties MCQs
- AutoCAD Dimensioning and Annotation MCQs
- AutoCAD Blocks and Attributes MCQs
- AutoCAD External References (Xrefs) MCQs
- AutoCAD Layouts and Viewports MCQs AutoCAD MCQs
- AutoCAD Hatching and Gradients MCQs
- Working with 3D Models MCQs
- AutoCAD Rendering and Visualization MCQs
- AutoCAD File Management MCQs
- AutoCAD Customization and Automation MCQs
- AutoCAD Collaborative Tools MCQs
- Important Repeated MCQs on AutoCad
3D Drawing and Modeling AutoCAD MCQs
1. What is the primary purpose of 3D modeling in AutoCAD?
To create three-dimensional representations of objects for visualization and analysis.
Answer: To create three-dimensional representations of objects for visualization and analysis.
2. Which command is used to create a 3D solid from a 2D shape?
The EXTRUDE command.
Answer: The EXTRUDE command.
3. How can you rotate a 3D object around a specified axis?
By using the 3DROTATE command.
Answer: By using the 3DROTATE command.
4. What does the command “SWEEP” do in 3D modeling?
It creates a 3D solid by moving a 2D profile along a path.
Answer: It creates a 3D solid by moving a 2D profile along a path.
5. How can you visualize the internal components of a 3D model?
By using the SECTION command.
Answer: By using the SECTION command.
6. What is the role of the “SOLIDEDIT” command in 3D drawing?
It allows for the editing of existing 3D solids.
Answer: It allows for the editing of existing 3D solids.
7. Which command is used to create a 3D surface from a mesh of points?
The MESH command.
Answer: The MESH command.
8. What does the term “model space” refer to in AutoCAD?
The area where 3D models are created and edited.
Answer: The area where 3D models are created and edited.
9. How do you create a hollow 3D object in AutoCAD?
By using the THICKEN command on a 2D object.
Answer: By using the THICKEN command on a 2D object.
10. What feature in AutoCAD allows you to view 3D models from different angles?
The 3DORBIT command.
Answer: The 3DORBIT command.
11. Which command is used to align a 3D object with a specified point?
The ALIGN command.
Answer: The ALIGN command.
12. How do you create a 3D path for a sweep operation?
By drawing a polyline that defines the path.
Answer: By drawing a polyline that defines the path.
13. What does the “FILLET” command do in 3D modeling?
It creates a rounded edge between two 3D solids.
Answer: It creates a rounded edge between two 3D solids.
14. How can you create complex shapes in 3D?
By using the LOFT command.
Answer: By using the LOFT command.
15. Which command can be used to create a visual representation of the 3D model?
The RENDER command.
Answer: The RENDER command.
16. What is the purpose of using the “VIEW” command in 3D drawing?
To change the current view of the 3D model.
Answer: To change the current view of the 3D model.
17. How do you ensure the accuracy of dimensions in a 3D model?
By using the DIM3D command.
Answer: By using the DIM3D command.
18. What is the benefit of using dynamic input while working in 3D?
It provides real-time feedback on coordinate entry.
Answer: It provides real-time feedback on coordinate entry.
19. How do you create a 3D surface that follows the contours of a 2D outline?
By using the SURFSCULPT command.
Answer: By using the SURFSCULPT command.
20. Which command allows you to split a 3D solid into multiple parts?
The SLICE command.
Answer: The SLICE command.
21. How can you create a mirrored version of a 3D object?
By using the MIRROR command.
Answer: By using the MIRROR command.
22. What does the “3DPOLY” command do?
It creates a 3D polyline with specified vertices.
Answer: It creates a 3D polyline with specified vertices.
23. How can you combine multiple 3D solids into one object?
By using the UNION command.
Answer: By using the UNION command.
24. Which command is used to subtract one solid from another in 3D?
The SUBTRACT command.
Answer: The SUBTRACT command.
25. How do you create a shape with varying thickness in 3D?
By using the THICKEN command.
Answer: By using the THICKEN command.
26. What does the “LAYER” command do in a 3D model?
It manages the layers for 3D objects.
Answer: It manages the layers for 3D objects.
27. How can you set the visual style of a 3D model?
By using the VISUALSTYLES command.
Answer: By using the VISUALSTYLES command.
28. Which command allows for the conversion of a 2D drawing to a 3D model?
The EXTRUDE command.
Answer: The EXTRUDE command.
29. What does the “SECTIONPLANE” command do?
It creates a cutting plane for viewing cross-sections of a 3D model.
Answer: It creates a cutting plane for viewing cross-sections of a 3D model.
30. How can you control the view direction in a 3D model?
By using the VIEW command with a defined angle.
Answer: By using the VIEW command with a defined angle.
31. What is the role of the “TRIM” command in 3D modeling?
It removes portions of 3D objects based on a cutting edge.
Answer: It removes portions of 3D objects based on a cutting edge.
32. How do you ensure that your model fits within a specific volume?
By using the CONSTRAINTS tools.
Answer: By using the CONSTRAINTS tools.
33. Which command is used to create a 3D object with a specific radius?
The SPHERE command.
Answer: The SPHERE command.
34. What is the purpose of the “ARRAY” command in 3D?
To create multiple copies of an object in a specified pattern.
Answer: To create multiple copies of an object in a specified pattern.
35. How can you create a 3D representation of a site plan?
By using the SITE command.
Answer: By using the SITE command.
36. Which command is used to make a 3D view of an object using a camera angle?
The CAMERA command.
Answer: The CAMERA command.
37. How do you access the 3D tools in AutoCAD?
By switching to the 3D Modeling workspace.
Answer: By switching to the 3D Modeling workspace.
38. What is the primary function of the “PROPERTIES” palette in 3D modeling?
To manage object properties like color, layer, and material.
Answer: To manage object properties like color, layer, and material.
39. How can you visually represent different materials on a 3D object?
By applying materials through the MATERIALS command.
Answer: By applying materials through the MATERIALS command.
40. What does the “REGEN” command do in a 3D model?
It refreshes the display of the model to ensure accuracy.
Answer: It refreshes the display of the model to ensure accuracy.
41. How can you create a pattern on the surface of a 3D object?
By using the HATCH command.
Answer: By using the HATCH command.
42. What does the “LOFT” command do in 3D modeling?
It creates a surface between two or more 2D shapes.
Answer: It creates a surface between two or more 2D shapes.
43. How can you ensure your 3D model is properly scaled?
By using the SCALE command.
Answer: By using the SCALE command.
44. What is the benefit of using “3D WIREFRAME” view?
It allows you to see the underlying geometry without surfaces.
Answer: It allows you to see the underlying geometry without surfaces.
45. How can you animate a 3D object in AutoCAD?
By using the Animation tools in the Visualize tab.
Answer: By using the Animation tools in the Visualize tab.
46. What is the “MATERIALS” editor used for in 3D modeling?
To create and assign materials to 3D objects.
Answer: To create and assign materials to 3D objects.
47. How do you create a solid using the “PRESSPULL” command?
By selecting a closed area and specifying a height.
Answer: By selecting a closed area and specifying a height.
48. Which command allows for the display of hidden lines in a 3D view?
The HIDE command.
Answer: The HIDE command.
49. How can you ensure objects are aligned in a 3D space?
By using the ALIGN command.
Answer: By using the ALIGN command.
50. What does the “DVIEW” command allow you to do?
To create a custom view of the 3D model.
Answer: To create a custom view of the 3D model.