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| 1 | |
What is a fundamental difference between 2-D and 3-D CAD systems? Is there any overlap between the two types of CAD systems? |
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| 2 | |
What are some of the different types of computer hardware platforms used for running CAD software? During what periods in history were each of these platforms in common usage? |
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| 3 | |
What is the minimum information needed to define a true wireframe model? Is there enough information in a wireframe model to determine which edges are hidden? |
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| 4 | |
What are the advantages and disadvantages of the three types of curves used to make surface patches? |
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| 5 | |
Can you depict a hole in an object using a primitive-based solid modeler? What other types of solid modelers could be used? |
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| 6 | |
Define the three types of Boolean operations and sketch examples of each one. Can you derive the same final object using different Boolean operations and/or primitives? |
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| 7 | |
Describe the differences and similarities of B-rep models and CSG models; do the same for wireframe models and B-rep models. |
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| 8 | |
What is "design intent?" Why does this play a role in planning the construction of a constraint-based model? |
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| 9 | |
What are the basic elements of a generalized sweep? Describe the major types of generalized sweeps used in feature creation. |
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| 10 | |
What are workplanes used for? What are five ways a workplane can be defined? |
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| 11 | |
What is the difference between implicit and explicit constraints? Give examples of four types of implicit geometric constraints. |
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| 12 | |
Give an example of a parent-child relationship. How is a feature tree used to identify parent-child relationships? |
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| 13 | |
What are the two primary types of duplication methods? What input parameters are needed to define each one? |
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| 14 | |
Describe the relationship of the view camera to the workplane and to the viewport. |
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| 15 | |
List the rules of thumb for choosing a good viewpoint. Do all of these rules apply when you are using either parallel or perspective projection? |
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| 16 | |
Will a translation operation always change the global coordinate location of all vertices on the object? What about with a rotation operation? |
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| 17 | |
Draw or describe a dialog box which would create bosses in a feature-based modeler. |
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| 18 | |
Explain the advantages and disadvantages of using a virtual model over a real model when designing a product. |
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| 19 | |
Name and briefly describe four different analysis techniques and give an application of each on a real-world product. |
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| 20 | |
Describe the connection of CAD to computer-aided manufacturing (CAM). How does the CAD/CAM relationship alter the role of 2-D CAD documents? |
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| 21 | |
What is the difference between direct and indirect data exchange standards? Are DXF and IGES direct or indirect standards? |
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