Question 1

Wireframe models always include surfaces that can be shaded.

Accepted Answer

A) True 
 B)False  False

Question 2

Paper drawings can be very effective for_____________

Accepted Answer

A)  Quickly communicating the design of small parts for manufacturing 
B)  Never using paper drawings 
C)  Always using a 2 pencil 
D)  None of the above 
A)  Quickly communicating the design of small parts for manufacturing 
B)  Never using paper drawings 
C)  Always using a 2 pencil 
D)  None of the above A

Question 3

An analytical model captures

Accepted Answer

A)  Structural form 
B)  Metallurgy of Model 
C)  Finite element analysis 
D)  None of the above 
A)  Structural form 
B)  Metallurgy of Model 
C)  Finite element analysis 
D)  None of the above D

Question 4

A 3D CAD model offers all the benefits of a 2D model and a physical model.

Accepted Answer

A) True 
 B)False

Question 5

A 3D wireframe can be useful for piping layout around other 3D equipment,

Accepted Answer

A) True 
 B)False

Question 6

Physical models provide a difficult visual reference.

Accepted Answer

A) True 
 B)False

Question 7

CAD surface models define a shape by storing its surface information.

Accepted Answer

A) True 
 B)False

Question 8

The term virtual prototype describes 2D CAD systems.

Accepted Answer

A) True 
 B)False

Question 9

What are the qualities that can make models more or less useful?

Accepted Answer

A)  Visual (presenting information graphically) 
B)  Understandable (contain detail in a format suited to the audience) 
C)  Flexible (allow quick and easy updates and changes) 
D)  All of the above 
A)  Visual (presenting information graphically) 
B)  Understandable (contain detail in a format suited to the audience) 
C)  Flexible (allow quick and easy updates and changes) 
D)  All of the above

Question 10

What best describes "constraint-based modeling"?

Accepted Answer

A)  Mechanical supports for the physical model 
B)  Relationships that defined parts of a 2D model that are maintained by the software when you make changes to the drawing 
C)  A system that can be used only on 2D drawings 
D)  None of the above 
A)  Mechanical supports for the physical model 
B)  Relationships that defined parts of a 2D model that are maintained by the software when you make changes to the drawing 
C)  A system that can be used only on 2D drawings 
D)  None of the above

Question 11

Triangulated Irregular Networks (TINs) are used in 2D flat plan layouts.

Accepted Answer

A) True 
 B)False

Question 12

Virtual reality (VR) refers to interacting with a 3D CAD model as if it were real-the model simulates the way the user would interact with a real device or system.

Accepted Answer

A) True 
 B)False

Question 13

Storing the definitions of the surfaces in the CAD digital database is termed boundary representation (BREP).

Accepted Answer

A) True 
 B)False

Question 14

The design review process determines _______

Accepted Answer

A)  If the drawings will be available 
B)  If money will be committed 
C)  If CAD staff is available 
D)  None of the above 
A)  If the drawings will be available 
B)  If money will be committed 
C)  If CAD staff is available 
D)  None of the above

Question 15

An advantage of 2D CAD drawings is they ________.

Accepted Answer

A)  Can quickly be printed to different scales 
B)  Can be separated onto different layers 
C)  Can query the database and the information 
D)  All of the above 
A)  Can quickly be printed to different scales 
B)  Can be separated onto different layers 
C)  Can query the database and the information 
D)  All of the above

Question 16

What are Descriptive models?

Accepted Answer

A)  A handwritten description only 
B)  A picture only 
C)  Either words or pictures 
D)  None of the above 
A)  A handwritten description only 
B)  A picture only 
C)  Either words or pictures 
D)  None of the above

Question 17

Descriptive geometry is _____________________________

Accepted Answer

A)  A written description of a solid model 
B)  is the study of producing views of an object that show true lengths, shape, angles, and other information about an engineering design 
C)  A scaled-down hand drawing 
D)  None of the above 
A)  A written description of a solid model 
B)  is the study of producing views of an object that show true lengths, shape, angles, and other information about an engineering design 
C)  A scaled-down hand drawing 
D)  None of the above

Question 18

Finite Element Analysis (FEA) model is used to__________

Accepted Answer

A)  Generate the stress plot 
B)  Generate the parts list 
C)  Generate the BOM 
D)  All of the above 
A)  Generate the stress plot 
B)  Generate the parts list 
C)  Generate the BOM 
D)  All of the above

Question 19

A NURBS surface is defined by a set of vertices in 3D space that are used to define a smooth surface mathematically.

Accepted Answer

A) True 
 B)False

Question 20

Animation and kinematic analysis uses CAD data to determine __________

Accepted Answer

A)  Whether the design will function properly before any parts are actually built 
B)  Whether the design is cost effective 
C)  How well parts will fit together 
D)  None of the above 
A)  Whether the design will function properly before any parts are actually built 
B)  Whether the design is cost effective 
C)  How well parts will fit together 
D)  None of the above

Exam 5: Modeling and Refinement

Wireframe models always include surfaces that can be shaded.

Paper drawings can be very effective for_____________

An analytical model captures

A 3D CAD model offers all the benefits of a 2D model and a physical model.

A 3D wireframe can be useful for piping layout around other 3D equipment,

Physical models provide a difficult visual reference.

CAD surface models define a shape by storing its surface information.

The term virtual prototype describes 2D CAD systems.

What are the qualities that can make models more or less useful?

What best describes "constraint-based modeling"?

Triangulated Irregular Networks (TINs) are used in 2D flat plan layouts.

Virtual reality (VR) refers to interacting with a 3D CAD model as if it were real-the model simulates the way the user would interact with a real device or system.

Storing the definitions of the surfaces in the CAD digital database is termed boundary representation (BREP).

The design review process determines _______

An advantage of 2D CAD drawings is they ________.

What are Descriptive models?

Descriptive geometry is _____________________________

Finite Element Analysis (FEA) model is used to__________

A NURBS surface is defined by a set of vertices in 3D space that are used to define a smooth surface mathematically.

Animation and kinematic analysis uses CAD data to determine __________

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