Engineering Design I - Final Exam

Hey tech enthusiasts! Grace is curious and needs your help. Which of the following statements about CAD programs is NOT correct?

• CAD programs can be used to control manufacturing machines.

• CAD programs make edits and revisions much easier than paper-and-pencil engineering drawings.

• CAD programs can be used for simulating forces or fluid flows.

• All CAD programs will automatically organize and group files.

Imagine Benjamin is designing a new robot using a 3D CAD software. While using the Pan command, what will happen to the model on his screen?

• It will rotate

• It will translate without rotating

• It will rotate to a specific face

• It will zoom in

Imagine you're a robotics engineer like Nora, and you're tasked with designing a differential drive tracked robot, which has a tread on each side. In your CAD software, which tool would be the most efficient for modeling this awesome robot?

• Revolve tool

• Slot tool

• Pattern tool

• Mirror tool

Imagine you're Samuel, an engineer, who just opened a CAD model of a motor mounting flange. You're curious to check the diameter of the bolt circle. Which tool would be your go-to?

• Inspect tool

• GD&T tool

• Dimension tool

• Pattern tool

Hey there, Olivia! Can you tell us which of the following is usually paired with an Exploded View?

• List of part numbers and names

• Detail view

• CAM model

• 3D rendering

Imagine Emma and Henry are building a robot! What best describes a bottom-up modeling approach they might use?

• Each component is drawn within a single assembly, then saved individually

• Each component is modeled individually, then combined into an assembly

• The assembly is modeled first, before any components

• Each component is saved as a subassembly, then added into a single assembly

Imagine you're a production engineer like David, and you're gearing up to create toolpaths and prepare code for a CNC milling machine. Which workspace would be your go-to for this task?

• Drawing workspace

• Modeling workspace

• Simulation workspace

• CAM workspace

Hey there, Olivia! Can you tell us what a countersink is used for in your latest DIY project?

• A revolved feature for cylindrical geometry

• A cylindrical recess for a fastener head to lie flush with the surface

• A conical recess for a fastener head to lie flush with the surface

• An extruded feature for hexagonal geometry

What is a counterbore?

• A cylindrical recess for a fastener head to lie flush with the surface

• A conical recess for a fastener head to lie flush with the surface

• A revolved feature for cylindrical geometry

• An extruded feature for hexagonal geometry

Imagine you're a mechanical engineer named Jackson at a bustling manufacturing company. Excitement buzzes through the air as you're tasked with launching a new product, a 32-tooth version of their popular 20-tooth spur gear. Starting with the CAD model of the 20-tooth gear, which CAD feature will Jackson most likely need to edit to accomplish this thrilling update?

• Rectangular pattern

• Path-driven pattern

• Mirror

• Circular pattern