SOLUTIONSMANUAL - TO ACCOMPANY  An Introduction to  Mechanic...

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 SOLUTIONS MANUAL 

TO ACCOMPANY 

An Introduction to  Mechanical Engineering Fourth Edition 

JONATHAN WICKERT 

KEMPER LEWIS  1 / 4

1 © 2017 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.Chapter 2  Solutions  There is no soulation manual for Cahpter 1 2 / 4

Chapter 2: Mechanical Design 

2 © 2017 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.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: Mechanical Design 

3 © 2017 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.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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 SOLUTIONS MANUAL  TO ACCOMPANY  An Introduction to  Mechanical Engineering Fourth Edition  JONATHAN WICKERT  KEMPER LEWIS  © 2017 Cengage Learning®. May not be scanned, copied or ...

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