QUIZ1-KEY - @@@®@® @@@@@®®@@@@@®@ m @@@@@@...

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Unformatted text preview: @@@®@® @@@@@®®@@@@@®@ m @@@@@@ @@@@@@@@@@@®@@ W ©©©©©© w©©©@©@©©©@©@@© L oo@@o@ o@@e@aoeoaaooo MW @ @@@@®@@@@ @@@® , gnaw & @@®@@@@®@®@@@@@ @@ mm @@@@@@@@@@@@@@®@@@ Mm ©©@©©©@@©©©@©©@©©© mm oeooaeoo@@oeoooe@e mwg .@®@@®@@@@@®®®@@®®® WMW 9, m n u m M 7 8 9 0 1.... 2 1 1 1 1 1 2 2 2 Quiz 1 Version — PTFE 3720 Name i w I Ciearly mark your answers to numbers 144 (2 pts each]. Show ail work for numbers 45—48 (3 pts each]. 45. [3 pts) A monofilament is made from nylon having a density of 1.19 g/cm3 and has a linear density of 1300 tex. Ifyou made the nylon by melt spinning 500 grams ofpolymer, what is the diameter ofthe fiber that you made (to get full credit, show all of your work]? a fi. _ ‘ a“: dféét’ it , is 50L em elm/“‘0 .0237 46. (3 pts) A 203 yarn is made of a cotton/polyester blend and-it has a density of 0.90 g/crn3 . What is the approximate area of the yarn? N3 5: 20 C‘tjfifimioiws Q I (’70 j “at? \ 2. Cl 1 0.0i30Wm3 M w- QC 60,0403 \ a JET / r" Y‘. ’7“ ,y " iii-21% to am I“ we“ 32.. mat "- 47. [3 pts] A monofiiament yarn has a diameter of 0.025 mm and is made of polyester (density n 1.38 g/cm3) what is its linear density in tex? *’ ‘1" W MA (9!; .1": i if) 2&5er <33 2:3 5’ War/wag Ava“ t m 4‘! {a we}. MM “7:; will? 34 dim/‘le iiJJ/éf’E-og‘ ammwmtwu .m- I; My» ,-._;«.-.v,.m,.....n.ua: Q. filliixé.6zgzrzmi? 1:2; |. El 2“) )0 52am fawn? the! of: were ‘5 i :1 f l m f 1 l? 48. [Blots] What is the linear density in denier for a 32 cotton count yarn? _ A: ,- ma ,u- Mg; 53 l intff'tm {it} anti" i» j e ...
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This note was uploaded on 02/08/2012 for the course MATERIALS 3720 taught by Professor Realff during the Spring '11 term at Georgia Institute of Technology.

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QUIZ1-KEY - @@@®@® @@@@@®®@@@@@®@ m @@@@@@...

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