WorksheetsComputer-Aided Design Exam Review
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Which item could be output from a 2D CAD program?
a)
schematic diagram of an electronic circuit
b)
virtual walkthrough of an architectural design
c)
solid view showing volume and depth
d)
rotating view of a mechanical assembly
2.
Which of the following statements about CAD systems is true?
a)
Electronic circuits cannot be designed on a CAD system
b)
A 2D CAD program can simulate walkthroughs
c)
Computer hardware is not part of a CAD system
d)
A 3D CAD program can generate 2D drawings as needed
3.
Which phrase describes a wireframe model?
a)
3D view that looks like stick figures
b)
3D view that best reproduces realism
c)
2D view with rendering
d)
2D view consisting of thin lines
4.
Which item is not a computer output device?
a)
mouse
b)
plotter
c)
monitor
d)
printer
5.
Suppose you are designing a wristwatch to sell to customers. Which feature would NOT be classified as a basic customer requirement?
a)
LEDs in the watchband can display a variety of colors and designs
b)
The watch keeps accurate time
c)
The time can be set easily
d)
The watch band is sturdy and comfortable
6.
What is the first step of engineering design process?
a)
Identify the need
b)
Collect financial resources
c)
Brainstorm
d)
Select team members
7.
The act of designing can best be defined as
a)
identifying criteria and constraints after defining the need
b)
creating form and structure in a skillful, creative way
c)
preparing to put a product into production
d)
trading ideas with fellow professionals in a relaxed environment
8.
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
a)
brainstorming
b)
simulation
c)
evaluation
d)
synthesis
9.
Which person would be best suited to starting a business as an entrepreneur?
a)
Nell likes a challenge, and she always gives 150 percent to everything she starts
b)
Cindy is a good employee, but she's mainly interested in home, friends, and family
c)
Greg highly values his job security, paycheck, and benefits
d)
Travis tells friends, "I'm marking time at this job until I can retire."
10.
Which phrase best describes rapid prototyping (3D printing)?
a)
creating a physical model directly from CAD drawings
b)
using CAD to design machine parts and assemblies
c)
sending CAD output to a printer or plotter
d)
using a spreadsheet to make a cost/benefit analysis
11.
A computer-based system that combines computer-aided design and manufacturing in one seamless process is
a)
CAD/CAM
b)
CAD/MFG
c)
CAE/CAM
d)
3D CAM
12.
Which sentence best describes CAD/CAM?
a)
CAD output controls machines that make the actual product
b)
There are no workers on the factory floor
c)
A 3D CAD program outputs a physical model
d)
A CAD program shows how parts work within assemblies
13.
In rapid prototyping (3D printer), an engineer uses a 3D CAD program to create a
a)
physical model
b)
bill of material
c)
manufactured product
d)
surface model
14.
What does the rendering function in a CAD program do?
a)
adds color, texture, and shading to objects
b)
recalculates dimensions in response to new inputs
c)
shows how parts work within assemblies
d)
outputs data to a vinyl cutter
15.
Which item would not be part of a CAD system?
a)
calculator
b)
software program
c)
monitor
d)
plotter
16.
Which is not an advantage of using CAD over using manual drafting in design projects?
a)
Manual drafting is better for eye-hand coordination skills
b)
The CAD process saves time and money
c)
The CAD process is better suited to teamwork and communication
d)
CAD output is likely to be more accurate than manual drawings
17.
Which word best defines drafting?
a)
drawing
b)
modeling
c)
rendering
d)
prototyping
18.
To locate a specific point on a coordinate system, you must specify two numbers called a coordinate
a)
pair
b)
determiner
c)
combo
d)
locator
19.
Which phrase best describes the Cartesian coordinate system?
a)
plots precise points on a grid
b)
generates geometric shapes in 3D
c)
outputs physical prototypes
d)
outputs schematic diagrams of electronic circuits
20.
Size measurements, such as length and width, are called
a)
dimensions
b)
scale drawings
c)
solid models
d)
animations
21.
What is the professional term for the activity we call drawing?
a)
drafting
b)
separating
c)
communication
d)
invention
22.
With CAD, a(n) __________ is used instead of a pencil.
a)
computer
b)
camera
c)
automobile
d)
industrial robot
23.
Using a CAD program does not ensure that
a)
the design you create will be a good design
b)
a drawing can be changed without redrawing it.
c)
many copies of the drawing can be made electronically (without redrawing it).
d)
the drawing can be stored electronically
24.
The Z axis on a coordinate system specifies the ____ of an object
a)
depth
b)
width
c)
height
d)
length
25.
An X coordinate of 5 and a Y coordinate of 3 specify a point
a)
5 units to the right of the origin and 3 units above the origin
b)
5 units to the left of the origin and 3 units above the origin
c)
5 units to the right of the origin and 3 units below the origin
d)
5 units to the left of the origin and 3 units below the origin
26.
Which phrase best describes a CAD system?
a)
computers, CAD software, and various input and output devices
b)
libraries of 2D and 3D objects
c)
CAD software program with an add-on calculating program
d)
prototyping software with vinyl cutter or other output device
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