IED CLASS EOC PREP UNIT 1

What is the best practice for creating the object shown in the image?

• Additive procedures

• Subtractive procedures

• Multiplicative procedures

• Divisive procedures

Would additive or subtractive modeling procedures be the best practice to use to create the object above in 3D modeling software?

• Additive procedures

• Subtractive procedures

• Both additive and subtractive procedures

• Neither additive nor subtractive procedures

What is the total volume of the block before any cuts are made?

• 3.054 in³

• 4.00 in³

• 3.804 in³

• 0.750 in³

What is the volume of the part shown?

• 0.196 in³

• 2.69 in³

• 3.804 in³

• 4.00 in³

The brackets are meant to be installed on tablets that are 30 inches high. The 90° mounting angle does not provide optimal viewing. The design group tries to find the optimal angle for the mounting surface.

Which step of the design process is the group working within as they make this decision?

• Define Problem

• Develop Solution

• Evaluate Solution

• Test Prototype

While the design group tests the first prototype, they notice that the screws used to mount the brackets scratch the surface treatment. The group decides that more research on existing technologies should be conducted.

Which steps of the design process are the design group working within as they notice the screws used to mount the brackets scratch the surface treatment? Select the three that apply.

• Define Problem, Develop Solution, Evaluate Solution

• Define Problem, Test Prototype, Develop Solution

• Develop Solution, Evaluate Solution, Test Prototype

• Define Problem, Evaluate Solution, Test Prototype

The design group finds some various thicknesses of steel and aluminum and creates brackets to observe how each material performs.

Which step of the design process is the design group working within as they work with different materials?

• Construct and Test Prototype

• Define Problem

• Develop Solution

• Evaluate Solution

The design group proposes a few solid ideas and compares them to the design constraints. Each idea is ranked according to how it fits the criteria. The rankings are used to choose which idea to develop.

Which step of the design process is the design group working within as they develop rankings for ideas?

• Generate Concepts

• Test and Evaluate

• Develop Solution

• Construct and Test Prototype

What percentage of the blocks fall between 0.7485 in. and 0.7575 in.?

• 51.85%

• 45.00%

• 60.25%

• 55.10%

An engineering student plans to work a maximum of 7 hours tomorrow. The student will be making 3D CAD part files and assembly files. It takes 30 minutes to make a part file and 2 hours to make an assembly file.

• x = number of part files

• y = number of assembly files

Which of the following inequalities, in standard form, describes the scenario above?

• 0.5x + 2y ≤ 7

• 0.5x + 2y ≥ 7

• 2x + 0.5y ≤ 7

• 2x + 0.5y ≥ 7