Chapter 7 Computer-Aided Drafting and Design 177
Please do not write in this book. Place your answers on another sheet of paper.
1. Drawings created in a CAD program are made up of line and arc objects called ______
objects with defined point coordinates in space.
2. ______ coordinates are located at a given distance and angle from another point.
3. Describe the difference between the world coordinate system and a user-definedfi
coordinate system.
4. A network of uniformly spaced points used as a drawing aid to determine distances is
known as what?
5. What ar e layers and what function do they serve in CAD drafting?
6. What is a template?
7. Circles are typically drawn by specifying a ______ and a radius or diameter.
8. What editing command is used to orient multiple copies of an object in a regular
rectangular or polar pattern?
9. Describe how to create a round or fi llet with the Fillet command.
10. What display command is used to create a magnified view by windowing a portion of a
drawing?
11. Identify two ways to access the Help system in a CAD program.
12. Explain a typical protocol for fi le saving and storage established by a CAD firm. fi
13. What is the difference between a solid model and a surface model?
14. Defi fine rendering.
1. Obtain samples of various types of drawings prepared using a computer. Prepare a
bulletin board display with these drawings.
2. Visit an industrial drafting fi rm that uses a CAD system. Interview a computer
workstation operator. How does the CAD system save time? How does it assist with
repetitive work? How does it improve productivity? What did the system cost the
business? Report to the class what you observed and learned.
3. Visit a computer store that sells CAD equipment. Request literature on the equipment
sold. Prepare a bulletin board display with the material.
Draw the problems shown on the following pages. Follow the directions in each problem and use the
dimensions provided. Dimensions are in inches unless otherwise indicated.
Drawing Problems
Outside Activities
Test Your Knowledge