Question 1

The next logical step from 3D wireframe is to add surface modeling, or skins.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following is not one of the basic methods of engineering modeling?

Accepted Answer

A) wireframe 
B) surface 
C)  photorealism 
D)  solid modeling 
A) wireframe 
B) surface 
C)  photorealism 
D)  solid modeling C

Question 3

Flat shading is commonly used today to increase realism in visualization.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following intends to create environments permitting a sense of how a design may feel or function?

Accepted Answer

A) holography 
B) virtual reality 
C)  animation 
D)  solid modeling 
A) holography 
B) virtual reality 
C)  animation 
D)  solid modeling

Question 5

The advantage of this type of visualization image is that it conveys depth similar to that in the real world.

Accepted Answer

A) animation 
B) holographic 
C)  virtual reality 
D)  photorealistic 
A) animation 
B) holographic 
C)  virtual reality 
D)  photorealistic

Question 6

Which of the following is not a type of visualization image?

Accepted Answer

A) animation 
B) stereo images 
C)  transparency 
D)  intrinsic 
A) animation 
B) stereo images 
C)  transparency 
D)  intrinsic

Question 7

The wireframe method of modeling is the most time-consuming computationally.

Accepted Answer

A) True 
 B)False

Question 8

An example of an application using thermal analysis is:

Accepted Answer

A) the design of artificial turf 
B) the design of heat ducts 
C)  the design of bridges 
D)  the design of microchips 
A) the design of artificial turf 
B) the design of heat ducts 
C)  the design of bridges 
D)  the design of microchips

Question 9

Only high-dollar problems, such as those faced by NASA, justify the effort involved in visualization.

Accepted Answer

A) True 
 B)False

Question 10

Computer technology and visualization have made it possible to resolve problems that were previously too complex to solve.

Accepted Answer

A) True 
 B)False

Question 11

Parametric solid modeling uses mathematical calculations to improve drawing accuracy and speed.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not true regarding stress analysis?

Accepted Answer

A) Stress is a critical factor in engineering designs of all types. 
B) Trained designers may be able to do basic stress analyses, but critical analyses should be left for specialists. 
C)  Prior to being analyzed for stress, a model of a part must be broken up into a finite number of polygonal elements. 
D)  Stress risers are desirable to assure that parts will not fail. 
A) Stress is a critical factor in engineering designs of all types. 
B) Trained designers may be able to do basic stress analyses, but critical analyses should be left for specialists. 
C)  Prior to being analyzed for stress, a model of a part must be broken up into a finite number of polygonal elements. 
D)  Stress risers are desirable to assure that parts will not fail.

Question 13

Solid modeling is the most accurate type of modeling.

Accepted Answer

A) True 
 B)False

Question 14

Only the most expensive graphics subsystems are capable of displaying and manipulating shaded images in real time.

Accepted Answer

A) True 
 B)False

Question 15

An example of an application using computational fluid dynamics is:

Accepted Answer

A) the design of artificial turf 
B) the design of artificial intelligence 
C)  the design of artificial knees 
D)  the design of artificial hearts 
A) the design of artificial turf 
B) the design of artificial intelligence 
C)  the design of artificial knees 
D)  the design of artificial hearts

Question 16

Single-frame, still images are one of the most commonly used types of images for visualization.

Accepted Answer

A) True 
 B)False

Question 17

A wireframe model can be equated to having the ability to "holding water."

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is a type of constraint used in parametric modeling?

Accepted Answer

A) length 
B) width 
C)  weight 
D)  roundness 
A) length 
B) width 
C)  weight 
D)  roundness

Question 19

Which of the following is not an engineering visualization category?

Accepted Answer

A) holography 
B) finite element analysis 
C)  thermal analysis 
D)  computational fluid dynamics 
A) holography 
B) finite element analysis 
C)  thermal analysis 
D)  computational fluid dynamics

Question 20

The process of applying patterns to object surfaces in photorealism is called:

Accepted Answer

A) texture mapping 
B) rendering 
C)  radiosity 
D)  ray tracing 
A) texture mapping 
B) rendering 
C)  radiosity 
D)  ray tracing

Exam 12: Solid 3D Modeling: Computational Design and Analysis

The next logical step from 3D wireframe is to add surface modeling, or skins.

Which of the following is not one of the basic methods of engineering modeling?

Flat shading is commonly used today to increase realism in visualization.

Which of the following intends to create environments permitting a sense of how a design may feel or function?

The advantage of this type of visualization image is that it conveys depth similar to that in the real world.

Which of the following is not a type of visualization image?

The wireframe method of modeling is the most time-consuming computationally.

An example of an application using thermal analysis is:

Only high-dollar problems, such as those faced by NASA, justify the effort involved in visualization.

Computer technology and visualization have made it possible to resolve problems that were previously too complex to solve.

Parametric solid modeling uses mathematical calculations to improve drawing accuracy and speed.

Which of the following is not true regarding stress analysis?

Solid modeling is the most accurate type of modeling.

Only the most expensive graphics subsystems are capable of displaying and manipulating shaded images in real time.

An example of an application using computational fluid dynamics is:

Single-frame, still images are one of the most commonly used types of images for visualization.

A wireframe model can be equated to having the ability to "holding water."

Which of the following is a type of constraint used in parametric modeling?

Which of the following is not an engineering visualization category?

The process of applying patterns to object surfaces in photorealism is called:

Introduction

Employability Skills for Drafting and Design Technicians

Drafting Tools: Conventional, Cad, and Solid Modeling

Sketching and Lettering for Engineering Communication

Geometric Construction

Spatial Visualization and Multiview Drawings

Dimensioning and Notation

Sectional Views

Auxiliary Views

Descriptive Geometry

Patterns and Developments

Geometric Dimensioning and Tolerancing

Fasteners

Springs

Cams

Gears

Assembly and Detail Drawings for Design

Pictorial Drawings

Welding

Modern Manufacturing: Materials, Processes, and Automation

The Design Process and Advanced Concepts

Filters