Test Review

“CAD” stands for… A. Computing and Drawing B. Computer Aided Design C. Computers Add Depth D. Cats and Dogs

When making the CAD drawings, you had to change the line spacing on your A. Title Block B. Dimensions C. None of the above

When working on CAD you have to hold the control button when you need to… A. Delete items B. Snap to the grid C. Change the channel on the remote

Lines used to show the size of objects in a technical drawing are called … A. guide lines B. dimension lines C. demented lines

Object lines are used to show… A. the fourth dimension B. part of the object you can see C. part of the object you can’t see

Lines that extend from the object to the dimension lines are called… A. Extension lines B. Construction lines C. Center lines

Hidden lines are used to show… A. detailed parts of the object B. part of the object you can’t see C. part of the object you can see

Lines that help you to set up an orthographic drawing and align the views are called… A. project lines B. time lines C. allied lines D. construction lines

A pictorial drawing… A. has a lot of pixels B. is considered a 3-D drawing C. is a 2-D drawing D. is broken up into different views

An orthographic drawing… A. usually has 3 views B. has a maximum of 6 views C. shows the object’s exact shape and size D. All the above

The three most important design variables for your CO2 dragster are… A. MATTER, DROPLETS, FICTION B. TIME, MONEY, FAME C. COLOR, HUE, BOLDNESS D. MASS, DRAG, FRICTION

The first step of the design process is… A. Identify the problem B. Research C. Think of alternatives D. Eat some cookies

The second step of the design process is… A. Eat some cookies B. Research C. Think of alternatives D. Take a nap

After you research the design problem, then the next (or third) step is to… A. test your design B. make modifications C. think of alternative designs or brainstorm ideas D. consult a wizard

When air flows over an object, the force that tends to hold the object back is called… A. friction B. gravity C. thrust D. aerodynamic drag

To reduce the amount of aerodynamic drag on your vehicle you could… A. Round the front B. Taper the back end C. Sand it very well D. All the above

A lightweight dragster is likely to be… A. Faster than a heavy dragster B. Slower than a heavy dragster C. Easier to build D. More powerful than a locomotive

What’s the measurement? 2 ¼”2 1/16 ”2 1/8 ”2 ½”

¾” 11/16 ” 7/8 ” 14/16 ” Fractions must be written in LOWEST terms!

Which shape is on the coordinate location (6, 1)? Remember that the X value is always first!!

What pages should you study for the test? Page 1: Design Process Page 2: Technical Drawing Pages 3 & 8: Measuring Page 9: Dragster Research Page 11: Coordinate geometry That’s it!