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Fifth Edition
Engineering
Fundamentals, SI
An Introduction
to Engineering
Saeed Moaveni
Minnesota State
University, Mankato
SI edition prepared by:
Keith McIver
Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States
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Engineering Fundamentals, SI:
An Introduction to Engineering, Fifth Edition
Saeed Moaveni
SI edition prepared by:
Keith McIver
Product Director, Global Engineering:
Timothy L. Anderson
Senior Content Developers: Hilda Gowans
and Mona Zeftel
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v
Contents
Preface xiii
Preface to the SI Edition xxiii
PART 1
ENGINEERING 2
1
1.1
1.2
1.3
1.4
Introduction to the Engineering Profession 4
Engineering Work Is All Around You 6
Engineering as a Profession 9
Before You Go On 12
Common Traits of Good Engineers 13
Engineering Disciplines 14
Professional Profile 25
Before You Go On 26
Summary 26
Key Terms 27
Apply What You Have Learned 28
Problems 28
Impromptu Design I 30
2
Preparing for an Engineering Career 32
2.1
2.2
2.3
Making the Transition from High School to College 34
Budgeting Your Time 34
Study Habits and Strategies 36
Before You Go On 42
Getting Involved with an Engineering Organization 42
Your Graduation Plan 43
Before You Go On 44
Professional Profile 45
Student Profile 46
Summary 46
Key Terms 47
Apply What You Have Learned 47
2.4
2.5
3
3.1
3.2
3.3
3.4
Introduction to Engineering Design 50
Engineering Design Process 52
Additional Design Considerations 67
Before You Go On 74
Teamwork 74
Project Scheduling and the Task Chart 76
Before You Go On 78
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v
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vi
Contents
3.5
3.6
4
4.1
4.2
4.3
4.4
4.5
5
5.1
5.2
5.3
Engineering Standards and Codes 78
Water and Air Standards in the United States 84
Before You Go On 89
Professional Profile 90
Summary 91
Key Terms 92
Apply What You Have Learned 92
Problems 92
Impromptu Design II 95
Civil Engineering Design Process, A Case Study 95
Mechanical/Electrical Engineering Design Process, A Case Study 99
Engineering Communication 102
Communication Skills and Presentation of Engineering Work 103
Basic Steps Involved in the Solution of Engineering Problems 104
Before You Go On 108
Written Communication 108
Before You Go On 111
Oral Communication 111
Graphical Communication 113
Before You Go On 115
Summary 116
Key Terms 116
Apply What You Have Learned 116
Problems 117
Professional Profile 122
Engineering Ethics 124
Engineering Ethics 125
The Code of Ethics of the National Society of Professional Engineers 126
Engineer’s Creed 132
Before You Go On 137
Summary 138
Key Terms 139
Apply What You Have Learned 139
Problems 139
Engineering Ethics 141
PART 2
ENGINEERING FUNDAMENTALS 144
6
Fundamental Dimensions and Units 146
6.1
Fundamental Dimensions and Units 148
Before You Go On 151
Systems of Units 151
Before You Go On 160
6.2
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vii
Contents
6.3
6.4
6.5
6.6
Unit Conversion and Dimensional Homogeneity 160
Before You Go On 169
Significant Digits (Figures) 169
Components and Systems 171
Before You Go On 173
Physical Laws and Observations 173
Before You Go On 176
Summary 178
Key Terms 179
Apply What You Have Learned 180
Problems 180
7
Length and Length-Related Variables in Engineering 188
7.1
7.2
Length as a Fundamental Dimension 191
Ratio of Two Lengths—Radians and Strain 199
Before You Go On 200
Area 201
Volume 210
Second Moment of Area 215
Before You Go On 220
Summary 220
Key Terms 221
Apply What You Have Learned 221
Problems 222
Impromptu Design III 227
An Engineering Marvel 229
Problem 233
7.3
7.4
7.5
8
8.1
8.2
8.3
8.4
8.5
Time and Time-Related Variables in Engineering 234
Time as a Fundamental Dimension 236
Measurement of Time 239
Before You Go On 242
Periods and Frequencies 242
Flow of Traffic 244
Before You Go On 246
Engineering Variables Involving Length and Time 246
Professional Profile 255
Before You Go On 256
Summary 256
Key Terms 257
Apply What You Have Learned 257
Problems 258
9
Mass and Mass-Related Variables in Engineering 264
9.1
9.2
Mass as a Fundamental Dimension 266
Density, Specific Weight, Specific Gravity, and Specific Volume 270
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