Engineering Drawing
When using the direct entry method to create a horizontal line exactly three inches long the drafter should ________ first.

Read the coordinate position on the Dynamic Readout
Pull the line from away from the starting point very carefully
Insure that Ortho is on
Enter 3 for the length of the line

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Engineering Drawing
How can the drafter prevent Auto-CAD from placing or stacking another center mark on a circle when adding a diameter dimension to it?

It can't be done
Explode the dimension and then erase the center mark
Use the trim tool to take away the stacked center mark
Use the Properties dialog box to turn off the center mark of the dimension

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