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MCQs

Total Questions : 1113 | Page 109 of 112 pages
Question 1081. Nitrile rubber is produced by the polymerisation of_________________?
  1.    Acrylonitrile & butadiene
  2.    Acrylonitrile & styrene
  3.    Isobutylene & isoprene
  4.    None of these
 Discuss Question
Answer: Option A. -> Acrylonitrile & butadiene
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1082. Which of the following is not a polyolefin ?
  1.    Polystyrene
  2.    Polypropylene
  3.    Neoprene
  4.    None of these
 Discuss Question
Answer: Option C. -> Neoprene
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1083. Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
  1.    Thiokol
  2.    Plexiglass or Lucite
  3.    Dacron
  4.    Teflon
 Discuss Question
Answer: Option B. -> Plexiglass or Lucite
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1084. Alkyd resin cannot be used for making_________________?
  1.    Plasticiser
  2.    Paint & varnish
  3.    Fibers
  4.    Film forming materials
 Discuss Question
Answer: Option C. -> Fibers
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1085. Contact lenses for eyes are made of Perspex, which is nothing but_______________?
  1.    poly-methyl-methacrylate
  2.    Polystyrene
  3.    Unsaturated polyester
  4.    Polypropylene
 Discuss Question
Answer: Option A. -> poly-methyl-methacrylate
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1086. Vulcanisation of raw rubber makes it__________________?
  1.    Soft
  2.    Less elastic
  3.    Plastic
  4.    Tacky
 Discuss Question
Answer: Option B. -> Less elastic
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1087. Buna-N is also called__________________?
  1.    Butyl rubber
  2.    Nitrile rubber
  3.    Neoprene
  4.    Thiokol
 Discuss Question
Answer: Option B. -> Nitrile rubber
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1088. Bristles of tooth brushes are made of_______________?
  1.    Nylon-6
  2.    Nylon-66
  3.    Polystyrene
  4.    PVC
 Discuss Question
Answer: Option B. -> Nylon-66
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1089. Most of the plastics are safe to be used upto a maximum temperature of ______________ °C?
  1.    100
  2.    150
  3.    350
  4.    450
 Discuss Question
Answer: Option B. -> 150
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1090. Ion exchange resins are made of____________________?
  1.    Lucite
  2.    Sulphonated Bakelite
  3.    Polystyrene
  4.    Teflon
 Discuss Question
Answer: Option B. -> Sulphonated Bakelite
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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