Computer-Aided Design Exam Review

Which item could be output from a 2D CAD program?

• schematic diagram of an electronic circuit
• virtual walkthrough of an architectural design
• solid view showing volume and depth
• rotating view of a mechanical assembly

Which of the following statements about CAD systems is true?

• Electronic circuits cannot be designed on a CAD system
• A 2D CAD program can simulate walkthroughs
• Computer hardware is not part of a CAD system
• A 3D CAD program can generate 2D drawings as needed

Which phrase describes a wireframe model?

• 3D view that looks like stick figures
• 3D view that best reproduces realism
• 2D view with rendering
• 2D view consisting of thin lines

Which item is not a computer output device?

• mouse
• plotter
• monitor
• printer

Suppose you are designing a wristwatch to sell to customers. Which feature would NOT be classified as a basic customer requirement?

• LEDs in the watchband can display a variety of colors and designs
• The watch keeps accurate time
• The time can be set easily
• The watch band is sturdy and comfortable

What is the first step of engineering design process?

• Identify the need
• Collect financial resources
• Brainstorm
• Select team members

The act of designing can best be defined as

• identifying criteria and constraints after defining the need
• creating form and structure in a skillful, creative way
• preparing to put a product into production
• trading ideas with fellow professionals in a relaxed environment

A small group of people gather in a room. They start throwing out ideas in quick succession. Some ideas get a laugh, but all suggestions are written down for further consideration. This activity is called

• brainstorming
• simulation
• evaluation
• synthesis

Which person would be best suited to starting a business as an entrepreneur?

• Nell likes a challenge, and she always gives 150 percent to everything she starts
• Cindy is a good employee, but she's mainly interested in home, friends, and family
• Greg highly values his job security, paycheck, and benefits
• Travis tells friends, "I'm marking time at this job until I can retire."

Which phrase best describes rapid prototyping (3D printing)?

• creating a physical model directly from CAD drawings
• using CAD to design machine parts and assemblies
• sending CAD output to a printer or plotter
• using a spreadsheet to make a cost/benefit analysis