3D Drawing and Modeling AutoCAD MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 24, 2024

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.

 

 

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