Polymer Technology MCQs with answers Page - 4

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Q. __________ is a copolymer.

  • (A) Nylon-66
  • (B) Polyrophylene
  • (C) PVC
  • (D) Polytetrafluoroethylene

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Q. Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.

  • (A) Thermoplastic
  • (B) Thermosetting
  • (C) Linear
  • (D) Glass like transparent

A

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Q. The monomer of natural rubber is

  • (A) DMT
  • (B) Isoprene
  • (C) 2 methyl-1-propene
  • (D) Both B and C

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Q. Caprolactum, a raw material for the manufacture of nylon-6, is produced from

  • (A) Phenol
  • (B) Naphthalene
  • (C) Benzene
  • (D) Pyridine

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Q. Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.

  • (A) 1-1000
  • (B) 1000-1500
  • (C) 1500-2000
  • (D) 2000-2500

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Q. Polyesters are manufactured by the polycondensation reaction of

  • (A) Dibasic acid with dihydric alcohol
  • (B) A single monomer
  • (C) Carboxylic acid with ethylene
  • (D) Inorganic acid with ethylene glycol

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Q. Which of the following has the weakest intermolecular forces?

  • (A) Polyisoprene
  • (B) Nylon-66
  • (C) Polystyrene
  • (D) Bakelite

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Q. Silicone resins, which are highly water repellant and has good heat resistance can not be used

  • (A) As room temperature adhesive
  • (B) As grease & lubricant
  • (C) Hydraulic fluid for heat transfer
  • (D) Resin for lamination

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Q. Ebonite is a/an

  • (A) Highly vulcanised rubber
  • (B) Natural rubber
  • (C) Unvulcanised raw rubber
  • (D) Adhesive

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Q. A copolymer is formed by the combination of two or more monomer molecules

  • (A) In a chain without the elimination of water
  • (B) With the elimination of small amount of water
  • (C) Of the same monomer by elimination of small molecules of water
  • (D) None of these

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