How confident do you feel about using the union, subtract, and shell commands in AutoCAD after completing the practice exercise?

• Very confident

• Confident

• Somewhat confident

• Not very confident

• Not at all confident

How challenging did you find the case study using the union, subtract, and shell command in AutoCAD?

• Very challenging

• Challenging

• Somewhat challenging

• Not very challenging

• Not at all challenging

Would you feel comfortable using the union, subtract, or shell command in AutoCAD on a real-world project?

• Yes, definitely

• Probably

• Not sure

• No, not at all.

How can you most precisely specify the thickness of the shell for the Shell command in AutoCAD?

• By entering a specific value

• By dragging the cursor to indicate the desired thickness

• By choosing a default thickness within the command

• By selecting a pre-existing object to use as the thickness guide

What command in AutoCAD allows you to create a hollow 3D object by removing the material from the inside of another 3D object?

• Union

• Subtract

• Shell

• Extrude

What command in AutoCAD allows you to create a new 3D object by subtracting one 3D object from another?

• Union

• Subtract

• Shell

• Extrude

• Press/Pull

What command in AutoCAD allows you to create a new 3D object by combining multiple 3D objects together?

• Union

• Subtract

• Shell

• Extrude

• Press/Pull

Can the Subtraction command in AutoCAD be used to subtract one 3D object from another that have different shapes and sizes?

• Yes

• No

The Union command in AutoCAD be used to combine multiple 3D objects of _____.

• different shapes

• the same shapes

• the same size

• different shapes

• all of the options

When using the subtract command, what objects must you select first?

• Select the objects that you want to keep

• Select the objects that you want to remove

• The order of selection has no bearing.