IET 226 Midterm Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
Difference between raster graphics and vector graphics? - CORRECT
ANSWER Raster: Resolution oriented, pixelated, larger files
Vector: mathematical formula, not resolution dependent, small files
Benefits of employing CAD in Mechanical Design Perspective - CORRECT
ANSWER Assists creation, improves quality and communication, provides database
for CAM and CAE
Three major tasks of 3D CAD Design - CORRECT ANSWER Part modeling,
assembly modeling, drafting
What is CAM and what is major purpose of CAM? - CORRECT ANSWER Computer
Aided Manufacturing, connection between machining and CAD
What s FEA/FEM? What types of solution does it provide? - CORRECT
ANSWER Finite Element Analysis/Method
Structural and thermal analysis
What is CFD? List examples of problems solved by CFD? - CORRECT
ANSWER Computation Fluid Dynamics
Fluid and thermal flow analysis
What are the three major interests of Motion Analysis (Kinematics)? - CORRECT
ANSWER Path Speed (velocity), acceleration
Milestone of CAD system for PC? - CORRECT ANSWER Creation of AutoCAD
, What does CATIA stand for? - CORRECT ANSWER Computer Aided Three-
Dimensional Interactive Application
What is the Kennel of CATIA? - CORRECT ANSWER Convergence Geometric
Modeler (Dassault System)
Examples of CAD system utilizing Parasolid Kennel - CORRECT ANSWER NX,
Solidworks, Solid Edge, MasterCAM
Two major solid modeling methodologies in modern 3D CAD system - CORRECT
ANSWER Primitives and sweep
Type of Primitives - CORRECT ANSWER Cone, cylinder, wedge, sphere, torus, box,
pyramid
Type of Sweep - CORRECT ANSWER sweep, extrusion, revolve, loft
What is Boolean Operation? - CORRECT ANSWER Subtraction, adding (unite),
intersection
What is CSG? - CORRECT ANSWER Constructve Solid Geometry
What is B-Rep (Boundary Representation)? How does it work? - CORRECT
ANSWER Store boundries locatios an relations
How is "Parametric Modeling" defined in CAD system? - CORRECT ANSWER Use
of certain parameters or variables that can be modified to change the output of equation (or
system)
Why "Parametric Modeling" is important in CAD system? - CORRECT
ANSWER Essential constraint can be altered by manipulating parameters to
determine/modify the shape of the model
QUESTIONS AND CORRECT ANSWERS
Difference between raster graphics and vector graphics? - CORRECT
ANSWER Raster: Resolution oriented, pixelated, larger files
Vector: mathematical formula, not resolution dependent, small files
Benefits of employing CAD in Mechanical Design Perspective - CORRECT
ANSWER Assists creation, improves quality and communication, provides database
for CAM and CAE
Three major tasks of 3D CAD Design - CORRECT ANSWER Part modeling,
assembly modeling, drafting
What is CAM and what is major purpose of CAM? - CORRECT ANSWER Computer
Aided Manufacturing, connection between machining and CAD
What s FEA/FEM? What types of solution does it provide? - CORRECT
ANSWER Finite Element Analysis/Method
Structural and thermal analysis
What is CFD? List examples of problems solved by CFD? - CORRECT
ANSWER Computation Fluid Dynamics
Fluid and thermal flow analysis
What are the three major interests of Motion Analysis (Kinematics)? - CORRECT
ANSWER Path Speed (velocity), acceleration
Milestone of CAD system for PC? - CORRECT ANSWER Creation of AutoCAD
, What does CATIA stand for? - CORRECT ANSWER Computer Aided Three-
Dimensional Interactive Application
What is the Kennel of CATIA? - CORRECT ANSWER Convergence Geometric
Modeler (Dassault System)
Examples of CAD system utilizing Parasolid Kennel - CORRECT ANSWER NX,
Solidworks, Solid Edge, MasterCAM
Two major solid modeling methodologies in modern 3D CAD system - CORRECT
ANSWER Primitives and sweep
Type of Primitives - CORRECT ANSWER Cone, cylinder, wedge, sphere, torus, box,
pyramid
Type of Sweep - CORRECT ANSWER sweep, extrusion, revolve, loft
What is Boolean Operation? - CORRECT ANSWER Subtraction, adding (unite),
intersection
What is CSG? - CORRECT ANSWER Constructve Solid Geometry
What is B-Rep (Boundary Representation)? How does it work? - CORRECT
ANSWER Store boundries locatios an relations
How is "Parametric Modeling" defined in CAD system? - CORRECT ANSWER Use
of certain parameters or variables that can be modified to change the output of equation (or
system)
Why "Parametric Modeling" is important in CAD system? - CORRECT
ANSWER Essential constraint can be altered by manipulating parameters to
determine/modify the shape of the model
