EMA6165-Fall_2010_Exam3rev-a

EMA6165-Fall_2010_Exam3rev-a - Student Number:_...

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Student Number:___________________________ INSTRUCTIONS : Read the entire exam carefully . Answer every question to the best of your ability, based upon the available information. State all assumptions in answers. SECTION I: Polymer Structures/Properties. (1 pt each/36 pts total) 1. Indicate the tacticity: I – isotactic; S-syndiotactic; A-atactic: NA-not  applicable. 2. State the relative Tg and/or Tm for each polymer.  Indicated if the Tg or Tm  are not applicable/measurable by NA. Polymer Tacticity (1 pt) Tg (1 pt) Tm (1 pt) 1 . poly(ethylene terephthalate) 2 . poly(ethylene) 3 . poly(dimethylsiloxane) 4 . poly(1,4-butadiene) 5 . poly(propylene) 6 . poly(methyl methacrylate) 7 . poly(vinyl chloride) 8 . poly(carbonate) (bisphenol-A) 9 . poly(styrene) 1 0 . poly(caprolactam) (Nylon 6) 1 1 . poly(hexamethylene adipamide) (Nylon 6,6) 1 2 . poly(terephthalamide) (Kevlar) EMA 6165 Fall 2010 Exam 3 ver a 1
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Student Number:___________________________ SECTION II: Concepts. (2pts ea/12pts total) Answer the following statements with  TRUE  or  FALSE .  If the statement is false, state the  reason(s).   If you believe  a statement can be made TRUE by a simple qualifier, then state it  clearly.   HINT:  Normally one word can be modified to correct false statements. 1
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EMA6165-Fall_2010_Exam3rev-a - Student Number:_...

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