What is CAD? | Introduction to Computer-Aided Design

Question 1

In the context of engineering, what is the primary purpose of Computer-Aided Design (CAD)?

Accepted Answer

Creating accurate 2D and 3D models of components and assemblies

Answer

Simulating and analyzing engineering designs to assess performance

Answer

Automating the manufacturing process to reduce production time

Answer

Generating technical documentation to convey design specifications

Question 2

When exchanging CAD models between different software applications, which file format is commonly used?

Accepted Answer

DXF (Drawing Interchange Format)

Answer

PDF (Portable Document Format)

Answer

JPEG (Joint Photographic Experts Group)

Answer

MP4 (Moving Picture Experts Group-4)

Question 3

Which type of CAD system allows users to create and modify designs in a three-dimensional space, enabling the visualization of objects from multiple angles?

Accepted Answer

3D CAD

Answer

2D CAD

Answer

Solid modeling

Answer

Surface modeling

Question 4

Parametric CAD is a type of CAD that allows users to create designs that can be easily modified by changing the underlying parameters. Which of the following is an example of a parametric CAD feature?

Accepted Answer

Creating a rectangle with dimensions linked to other elements in the design

Answer

Creating a circle with a fixed radius

Answer

Adding a chamfer to an edge with a specified angle

Answer

Rotating a component around a specific axis by a fixed amount

Question 5

In CAD modeling, what is the process called when a 2D drawing is converted into a 3D model by adding depth and thickness?

Accepted Answer

Extrusion

Answer

Revolve

Answer

Loft

Answer

Sweep

Question 6

Which CAD software package is specifically designed and widely used for architectural design, offering tools for creating building plans, elevations, and sections?

Accepted Answer

Revit

Answer

AutoCAD

Answer

SolidWorks

Answer

Creo Parametric

Question 7

In CAD, what is the term for the graphical representation of an object's dimensions, tolerances, and other annotations used to convey design specifications?

Accepted Answer

Dimensioning

Answer

Annotation

Answer

Hatching

Answer

Isometric view

Question 8

Which of the following is NOT a common area of application for CAD in engineering?

Accepted Answer

Web design, creating layouts and graphics for websites

Answer

Product design and development, including mechanical components and assemblies

Answer

Architectural and construction design, creating plans and models for buildings

Answer

Medical device design, developing implants, prosthetics, and surgical tools

Question 9

What is the primary objective of Computer-Aided Design (CAD)?

Accepted Answer

To automate repetitive design and drafting tasks

Answer

To generate 3D models and simulations

Answer

To create technical documentation

Answer

To enable collaboration among engineers

Question 10

Which of the following is NOT an advantage of using CAD?

Accepted Answer

Restricted design choices

Answer

Increased design precision

Answer

Reduced design time

Answer

Enhanced collaboration

Question 11

Which file format is commonly used to store CAD models?

Accepted Answer

DWG

Answer

STL

Answer

PDF

Answer

JPEG

Question 12

Which type of CAD software is used to create 3D solid models?

Accepted Answer

3D Modeling

Answer

2D Drafting

Answer

Simulation

Answer

Animation

Question 13

What is the term for the process of creating a technical drawing from a 3D CAD model?

Accepted Answer

Drafting

Answer

Rendering

Answer

Simulation

Answer

Animation

Question 14

What is the benefit of using parametric CAD?

Accepted Answer

Changes to one aspect of the model automatically update the entire design

Answer

It provides more precise control over dimensions

Answer

It simplifies the creation of complex shapes

Answer

It reduces the file size of CAD models

Question 15

Which trend is NOT observed in the development of CAD software?

Accepted Answer

Reduced complexity

Answer

Increased automation

Answer

Cloud-based collaboration

Answer

Virtual reality integration

Question 16

What is the primary purpose of Computer-Aided Design (CAD) in engineering?

Accepted Answer

To produce accurate and detailed technical drawings

Answer

To create animations and simulations

Answer

To perform complex mathematical operations

Answer

To manage and organize project data

Question 17

In which industry is CAD most widely employed?

Accepted Answer

Manufacturing

Answer

Healthcare

Answer

Education

Answer

Finance

Question 18

Which of the following is NOT an advantage of using CAD in engineering?

Accepted Answer

Difficulty in visualizing designs

Answer

Improved accuracy and precision

Answer

Reduced design time

Answer

Elimination of manual drafting

Question 19

What is the process of creating a 3D model from a 2D sketch known as?

Accepted Answer

Extrusion

Answer

Rotation

Answer

Filleting

Answer

Chamfering

Question 20

Which type of constraint is used to restrict the movement of an object along a specific path?

Accepted Answer

Linear constraint

Answer

Angular constraint

Answer

Circular constraint

Answer

Planar constraint

Question 21

What is the primary benefit of using parametric modeling in CAD?

Accepted Answer

Allows for easy modification of design parameters and dimensions

Answer

Generates more realistic and detailed models

Answer

Reduces the file size of CAD models

Answer

Simplifies the overall design process

Question 22

What is the defining purpose of Computer-Aided Design (CAD)?

Accepted Answer

Creating and modifying virtual models of objects

Answer

Simulating physical processes

Answer

Managing engineering project data

Answer

Performing complex mathematical calculations

Question 23

Which factor has played a major role in driving the widespread adoption of CAD in contemporary engineering practices?

Accepted Answer

Advancements in computational power

Answer

Greater availability of training resources

Answer

Improved user interfaces

Answer

Decreased software costs

Question 24

Which of the following is a potential drawback of CAD systems?

Accepted Answer

High software and hardware costs

Answer

Compatibility with other engineering software

Answer

Ease of use for novice users

Question 25

Which file format is commonly used to store CAD models?

Accepted Answer

DXF

Answer

DOC

Answer

TXT

Answer

PDF

Question 26

Which CAD software is recognized for its parametric modeling capabilities?

Accepted Answer

SolidWorks

Answer

SketchUp

Answer

AutoCAD

Answer

Blender

Question 27

What is a crucial component of a CAD system?

Accepted Answer

Graphical user interface (GUI)

Answer

Operating system

Answer

Compiler

Answer

Database

Question 28

What is a key advantage of 3D CAD modeling over 2D?

Accepted Answer

Provides a more realistic representation of objects

Answer

Easier to edit and modify

Answer

Requires less computational power