181hw2s - (-5 pt for wrong info) p2/2 3) An ABS plastic...

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Full name:________________________________ Lab group: L 5 _ _ (-5 pt for wrong info) HW2, ET181, Spring 10. Due by 6 pm on Fri, Feb 5. Cited problems are from the 4 rd edition of textbook. The Grader is not responsible for missing paper; please staple your sheets. 1) Multiple choice questions Page 39 Page 63-64 Question Answer Question Answer 2.1 A 3.1 A, D, E 2.3 D, E, G 3.2 C 2.5 A, C, D 3.5 B 2.6 E * 3.7 B 2.11 B, F 3.10 B * can be 4 for 14, depending on how you count Page 134-135 Page 185-186 Question Answer Question Answer 6.1 C, E 8.1 A 6.4 C 8.2 C 6.6 B 8.3 A 6.10 A, D 8.4 B 6.17 D 8.7 A 2) Problem 3.25, p 66. p1/1
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Unformatted text preview: (-5 pt for wrong info) p2/2 3) An ABS plastic rivet is used to secure two 6061-T6 aluminum plates. The rivet diameter is 1/4 inch, while the aluminum plates are 1x6 inch with 1/8 inch thick. The aluminum plates are pulled apart as shown until breaking of the rivet. Properties of plastics can be found in Chapter 8. a) Calculate the force that breaks the thermoplastic ABS rivet. b) Calculate the difference (%) of breaking force if the rivet material is changed to thermoset Phenol Formaldehyde (epoxy). rivet Al Force Force Al Note: The rivet diameter is fractured in this case. The force is a shearing force since the fracture surface is parallel to it....
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This note was uploaded on 10/04/2010 for the course ENTC ENTC 181 taught by Professor Hung during the Spring '09 term at Texas A&M.

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181hw2s - (-5 pt for wrong info) p2/2 3) An ABS plastic...

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