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CAD MCQ
2023-06-03 23:49:12

CAD MCQ

CAD stands for Computer-Aided Design. It is a software tool that has transformed the design business by making the design process more efficient and precise. CAD software allows designers and engineers to generate, edit, and analyze designs on a computer, saving time and money.It is used across a variety of sectors, including the automobile, aerospace, building, and product design.

Let’s briefly understand this Computer-Aided design and then discuss multiple choice questions related to it.

Imagine you want to create a design for a new vehicle. Traditionally, each component would be sketched out in great detail in 2D after a succession of hand-drawn designs were made. The process would be lengthy and prone to mistakes because any alterations would necessitate redoing the entire design.

However, you can use a variety of tools and capabilities in CAD software to produce a 3D model of the vehicle. The body, wheels, engine, and other parts of the car can all be designed as independent 3D models before being combined to form the final car design. It allows designers and engineers to work together to coordinate and manage big projects when multiple users may work on the same design at once. This ensures that everyone is on the same page and helps cut down on errors.

Let’s discuss some multiple choices questions with answers related to Computer-Aided Design.

MCQs on CAD

1. What is the full form of CAD?

  1. Computer-Aided Design
  2. Computer-Aided Drafting
  3. Computer-Aided Drawing
  4. Computer-Aided Development

Correct Answer: a. Computer-Aided Design

2. Choose the 2D CAD software from the options:

  1. CATIA
  2. AutoCAD
  3. SolidWorks
  4. Pro/ENGINEER

Correct Answer: b. AutoCAD

3. Which of the following is 3D CAD software?

  1. CATIA
  2. SolidWorks
  3. Pro/ENGINEER
  4. All of the above

Correct Answer: d. All of the above

4. What is the file extension of a CAD drawing file?

  1. .exe
  2. .yml
  3. .dwg
  4. .dag

Correct Answer: c. .dwg

5. Which of the following is a technique used to remove material from a solid in a CAD model?

  1. Extrude
  2. Revolve
  3. Cut
  4. Loft

Correct Answer: c. Cut

6. Which technique is used to create smooth curves in a CAD model?

  1. Fillet
  2. Chamfer
  3. Extrude
  4. Revolve

Correct Answer: a. Fillet

7. Which of the following is NOT CAD software?

  1. AutoCAD
  2. SolidWorks
  3. Photoshop
  4. CATIA

Correct Answer: c. photoshop

8. Why do we use layers in CAD software?

  1. To organize objects into a logical group
  2. To help visualize objects in 3D
  3. To apply textures and materials to objects
  4. To control the printing order of objects

Correct Answer: a. To organize objects into a logical group

9. The function of the "snap to grid" feature in CAD software:

  1. To align objects to the nearest grid line
  2. To lock objects in place
  3. To change the size of the grid
  4. To create a grid from scratch

Correct Answer: a. To align objects to the nearest grid line

10. Choose the example of a parametric CAD software from the following:

  1. SketchUp
  2. Fusion 360
  3. 3ds Max
  4. Blender

Correct Answer: b. Fusion 360

11. Which command is used to create a copy of an object in CAD software?

  1. Copy
  2. Move
  3. Rotate
  4. Scale

Correct Answer: a. Copy

12. Which command is used to rotate an object about a specific point?

  1. Scale
  2. Rotate
  3. Mirror
  4. Offset

Correct Answer: b. Rotate

13. How can you represent a hole in a CAD drawing?

  1. Dot
  2. Square
  3. Circle
  4. Rectangle

Correct Answer: c. Circle

14. Which type of projection is used in CAD?

  1. Isometric
  2. Orthographic
  3. Oblique
  4. All of the above

Correct Answer: d. All of the above

15. The technique which is used to create a 3D shape by rotating a 2D shape around an axis is known as:

  1. Extrusion
  2. Revolving
  3. Sweeping
  4. Lofting

Correct Answer: b. Revolving

16. To resize an object proportionally, we use the _________ command in CAD.

  1. Resize
  2. Rotate
  3. Scale
  4. Move

Correct Answer: c. Scale

17. What is the file extension of a 3D model file?

  1. .dwg
  2. .stl
  3. .dxf
  4. .pdf

Correct Answer: b. .stl

18. Which command in CAD is used to create a new line perpendicular to an existing line?

  1. Extend
  2. Trim
  3. Fillet
  4. Offset

Correct Answer: d. Offset

19. Choose the software used for 3D modelling and animation.

  1. Maya
  2. SketchUp
  3. Revit
  4. Fusion 360

Correct Answer: a. Maya

20. Which of the following methods is used to stretch a 2D shape into a 3D form?

  1. Revolving
  2. Sweeping
  3. Lofting
  4. Extrusion

Correct Answer: d. Extrusion

Conclusion

In conclusion, CAD enables you to develop a thorough and accurate 3D model of a car, evaluate its durability and performance, and produce thorough drawings and manufacturing requirements.