IET 226 MIDTERM Exam Review
UPDATED QUESTIONS AND CORRECT
ANSWERS
1. What's the difference between Raster Graphics and Vector Graphics? - CORRECT
ANSWER Raster Graphics are resolution based graphics. Whereas Vector Graphics are
based on mathematical formulas defining geometric primitive. Pixelization
2. What's the benefits of employing CAD system in Mechanical Design Perspective? -
CORRECT ANSWER Computer assisted systems, increase productivity of the
designer, improve quality of design, improve communication through more efficient
documentation and provide a multi-purpose data base.
3. Which other system can take benefits of geometry created by CAD system? - CORRECT
ANSWER CAM (Computer Aided Manufacturing), FEA,FEM (Finite Element
Analysis; Finite Element Method), CFD (Computation Fluid Dynamics), and Kinematics
(Motion Analysis).
4. Three major Tasks of 3D CAD Design - CORRECT ANSWER Part Modeling
(Sketch Mode, Feature Creation, and Part Editing), Assembly Modeling (DOF-Degree of
Freedom, Assembly Constrain, and CAD Library), and Drafting(Detail Part Drawing, GD&T,
Assembly Drawing)
5. What is CAM and what is major purpose of CAM? - CORRECT ANSWER CAM
(Computer Aided Manufacturing) to make connection between machining and CAD
6. What is FEA/FEM? What types of solution does it provided? - CORRECT
ANSWER FEA,FEM (Finite Element Analysis/Method) provides structural analysis
vibration analysis, fatigue analysis, and thermal analysis.
7. What is CFD? List examples of problem solved by CFD? - CORRECT
ANSWER CFD (Computation Fluid Dynamics) is the analysis of the fluid and thermal
flow. Ex. The flow of hot water through pipes.
, 8. What are the three major interests of Motion Analysis (Kinematics)? - CORRECT
ANSWER Kinematics (Motion Analysis) is motion analysis of path, speed, and
acceleration. As well as Mechanism analysis.
9. The milestone of CAD system for IBM PC? Name the company and product. - CORRECT
ANSWER AutoCAD (Autodesk, 1982)
10. Which CAD system was developed based on solid geometry and feature-based parametric
techniques for defining parts and assemblies first time in history? - CORRECT
ANSWER Pro/Engineer (PTC, 1987) CREO
11. What does CATIA stand for? - CORRECT ANSWER Computer Aided Three-
Dimensional Interactive Application
12. What is the Kennel of CATIA? - CORRECT ANSWER Convergence Geometric
Modeler (Dassault Systems)
14. Two major solid modeling methodologies in modern 3D CAD systems - CORRECT
ANSWER (Sweep) Boundary Representation (B-Rep) and Construction Solids
Geometry (CSG) (Primitives)
13. Name CAD systems utilizing Parasolid Kennel. - CORRECT ANSWER Simens
NX, SolidWorks, Solid Edge, MasterCAM...
15. What is Primitives? - CORRECT ANSWER Primitives are limited versions of part
models that are designed for repeated use in a part creation.
16. Name common Primitives found in modern CAD systems - CORRECT
ANSWER Cone, Cylinder, Wedge, Sphere, Box, Pyramid, Torus
17. Type of Sweep - CORRECT ANSWER Revolve, or Groove
UPDATED QUESTIONS AND CORRECT
ANSWERS
1. What's the difference between Raster Graphics and Vector Graphics? - CORRECT
ANSWER Raster Graphics are resolution based graphics. Whereas Vector Graphics are
based on mathematical formulas defining geometric primitive. Pixelization
2. What's the benefits of employing CAD system in Mechanical Design Perspective? -
CORRECT ANSWER Computer assisted systems, increase productivity of the
designer, improve quality of design, improve communication through more efficient
documentation and provide a multi-purpose data base.
3. Which other system can take benefits of geometry created by CAD system? - CORRECT
ANSWER CAM (Computer Aided Manufacturing), FEA,FEM (Finite Element
Analysis; Finite Element Method), CFD (Computation Fluid Dynamics), and Kinematics
(Motion Analysis).
4. Three major Tasks of 3D CAD Design - CORRECT ANSWER Part Modeling
(Sketch Mode, Feature Creation, and Part Editing), Assembly Modeling (DOF-Degree of
Freedom, Assembly Constrain, and CAD Library), and Drafting(Detail Part Drawing, GD&T,
Assembly Drawing)
5. What is CAM and what is major purpose of CAM? - CORRECT ANSWER CAM
(Computer Aided Manufacturing) to make connection between machining and CAD
6. What is FEA/FEM? What types of solution does it provided? - CORRECT
ANSWER FEA,FEM (Finite Element Analysis/Method) provides structural analysis
vibration analysis, fatigue analysis, and thermal analysis.
7. What is CFD? List examples of problem solved by CFD? - CORRECT
ANSWER CFD (Computation Fluid Dynamics) is the analysis of the fluid and thermal
flow. Ex. The flow of hot water through pipes.
, 8. What are the three major interests of Motion Analysis (Kinematics)? - CORRECT
ANSWER Kinematics (Motion Analysis) is motion analysis of path, speed, and
acceleration. As well as Mechanism analysis.
9. The milestone of CAD system for IBM PC? Name the company and product. - CORRECT
ANSWER AutoCAD (Autodesk, 1982)
10. Which CAD system was developed based on solid geometry and feature-based parametric
techniques for defining parts and assemblies first time in history? - CORRECT
ANSWER Pro/Engineer (PTC, 1987) CREO
11. What does CATIA stand for? - CORRECT ANSWER Computer Aided Three-
Dimensional Interactive Application
12. What is the Kennel of CATIA? - CORRECT ANSWER Convergence Geometric
Modeler (Dassault Systems)
14. Two major solid modeling methodologies in modern 3D CAD systems - CORRECT
ANSWER (Sweep) Boundary Representation (B-Rep) and Construction Solids
Geometry (CSG) (Primitives)
13. Name CAD systems utilizing Parasolid Kennel. - CORRECT ANSWER Simens
NX, SolidWorks, Solid Edge, MasterCAM...
15. What is Primitives? - CORRECT ANSWER Primitives are limited versions of part
models that are designed for repeated use in a part creation.
16. Name common Primitives found in modern CAD systems - CORRECT
ANSWER Cone, Cylinder, Wedge, Sphere, Box, Pyramid, Torus
17. Type of Sweep - CORRECT ANSWER Revolve, or Groove
