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MCQs

Total Questions : 197 | Page 8 of 20 pages
Question 71. Cellulose is a
  1.    small molecule
  2.    big molecule
  3.    small chain molecule
  4.    long chain molecule
 Discuss Question
Answer: Option D. -> long chain molecule
Answer: (d).long chain molecule
Question 72. In chain of cellulose, hydroxyl groups are interlinked by means of
  1.    coordinate bonds
  2.    strong bonds
  3.    hydrogen bonds
  4.    weak bonds
 Discuss Question
Answer: Option C. -> hydrogen bonds
Answer: (c).hydrogen bonds
Question 73. Proportion of crystalline material is reduced by
  1.    contraction
  2.    reducer
  3.    mercerization
  4.    deformation
 Discuss Question
Answer: Option C. -> mercerization
Answer: (c).mercerization
Question 74. Treatment that cause resin to polymerize and react with hydroxyl groups results in
  1.    chemical crosslinks
  2.    chemical degradation
  3.    chemical reaction
  4.    chemical change
 Discuss Question
Answer: Option A. -> chemical crosslinks
Answer: (a).chemical crosslinks
Question 75. Minimization of free energy results into
  1.    crystallization
  2.    liquefaction
  3.    bonding
  4.    hydroxyl bonds
 Discuss Question
Answer: Option A. -> crystallization
Answer: (a).crystallization
Question 76. Needles on cylinders can be
  1.    inclined
  2.    curved with a hook
  3.    saw tooth shaped
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 77. Fanciness in yarns obtained from different processes can be combined and added to other designs and it is called as
  1.    classics
  2.    yarn fanciness
  3.    yarn patterns
  4.    decorative yarns
 Discuss Question
Answer: Option A. -> classics
Answer: (a).classics
Question 78. In woolen fabrics, fancy effects can be obtained in
  1.    weaving
  2.    spinning
  3.    dyeing
  4.    all of above
 Discuss Question
Answer: Option B. -> spinning
Answer: (b).spinning
Question 79. Fancy yarns are used in
  1.    knitting
  2.    weaving
  3.    dyeing
  4.    knotting
 Discuss Question
Answer: Option A. -> knitting
Answer: (a).knitting
Question 80. Needles are inclined opposite to roller when convex side comes
  1.    before the concave side
  2.    after the concave side
  3.    opposite to concave side
  4.    parallel to concave side
 Discuss Question
Answer: Option A. -> before the concave side
Answer: (a).before the concave side

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