AN INTRODUCTION TO MECHANICAL
ENGINEERING, ENHANCED FOURTH
EDITION
JONATHAN WICKERT AND KEMPER LEWIS
, CONTENTS
PREFACE ................................................................................................ V
CHAPTER 2 .............................................................................................. 1
CHAPTER 3 ............................................................................................19
CHAPTER 4 ............................................................................................59
CHAPTER 5 .......................................................................................... 104
CHAPTER 6 .......................................................................................... 150
CHAPTER 7 .......................................................................................... 210
CHAPTER 8 .......................................................................................... 253
, Chapter 2: M echanical Design
P2.1: Give Three Examples Of Engineered Products That Must Be Circular In
Shape And Explain Why. Any Ball Is Not Allowed As An Answer!
Examples Include:
· DVD’s
· CD’s
· Manhole Covers
· Railroad Advance Warning Signs
· Wheel (For Flat Roads)
· Axles
· Bullet Cross-Section (Balanced For Stable Flight)
· European Speed Limit Sign
· Any Shape With Minimized Arc Length/Surface Area For Given Area/Volume
· Optimized Pressure Vessel Cross Sections
· US Coin
· Lens (Part Of Circle)
· Optimal Nozzle/Diffuser (No Edge Effects)
· Optimal Capillary Tube
· Optimal Suction Cup
· Traffic Circle
· Thrown Pot (On Potting Wheel)
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, Chapter 2: M echanical Design
P2.2: Give Three Examples Of Engineered Products That Must Be Triangular
In Shape And Explain Why.
Examples Include:
· Yield Signs
· The Triangle Instrument
· Billiards Rack
· Knife Blade (Cross-Section)
· Supports For Finishing Wood (Pyramids Or Cones, Must Come To A Point)
· Splitting Wedge
· Handicap Ramp Viewed From Side (To Meet Code)
· Three Equally Spaced Instances Per Rotation Cam
· 30°-60°-90° Or 45°-45°-90° Drafting Triangle
· One Of Six Identical Pieces That Can Be Assembled Into A Hexagon
· Chisel Point
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