a) rayonb) acetatec) nytrild) vinyon Answer: a

a) sericineb) alaninec) tyrosined) fiborin Answer: d

a) alkaliesb) acidsc) chlorined) all the above Answer: d

a) very goodb) goodc) moderated) poor Answer: c

a) pectinb) glutenc) sericind) none of the above Answer: c

a) Reelingb) throwingc) Spinningd) degumming Answer: b

a) low - twist ply yarnb) medium twist ply yarnc) high - twist ply yarnd) none of these

a) low - twist ply yarnb) medium twist ply yarnc) high - twist ply yarnd) none of these

a) pectinb) glutinc) sericind) all the above Answer: c

a) cottonb) silkc) rayond) wool Answer: b