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5 Written questions

5 Matching questions

  1. fimament yarns have
  2. drawing
  3. roving
  4. bulk yarn
  5. spun yarns have
  1. a increases the parallelism of the fibers
  2. b reduces the drawn silver, increases the parallel alignment of the fibers, and inserts a small amount of twist in the strand, now called roving
  3. c a fuzzy surface, greater amounts of twist compared to filament yarns, short fibers that pull apart, and partially parallel fibers
  4. d one that has been processed to have greater covering power or apparent volume than that of a conventional yarn of equal linear density and of the same basic material with normal twist
  5. e no protruding ends, so they do not lint

5 Multiple choice questions

  1. partiallyu aligns the fibers and forms them into a thin web that is brought together as a soft, very weak rope
  2. produces a yarn that is superior to a carded yarn in smoothness, fineness, evenness, and strength
  3. opening, carding, drawing, combing or worsting, roving
  4. prevent close contact with the skin which makes spun yarn fabric more comfortabe
  5. refers to yarns of different generic types within a fabric

5 True/False questions

  1. bulk yarns havemore texture or crimp, and do not pill or shed


  2. smoot filament yarnare uniform as they come from the spinneret. their smooth nature gives them more luster than spun yarns


  3. bulk yarns have bettermore texture or crimp, and do not pill or shed


  4. a blendis an intimate mixture of fibers of different generic type, composition, length, diameter, or color spun together into one yarn


  5. combing removesshort staple fibers