Polymer Technology MCQs with answers Page - 6

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Q. Low density polythene as compared to high density polythene is

  • (A) Harder
  • (B) Tougher
  • (C) Chemically inert
  • (D) More flexible

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Q. Dacron is a

  • (A) Condensation polymerisation product of hexamethylene diamine and adipic acid
  • (B) Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol
  • (C) Thermosetting material
  • (D) None of these

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Q. Dacron is a/an

  • (A) Polyester
  • (B) Unsaturated polyester
  • (C) Polyamide
  • (D) Inorganic polymer

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Q. Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an

  • (A) Rigid foam
  • (B) Engineering plastic
  • (C) Thermosetting polymer
  • (D) Spongy rubber

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Q. __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol).

  • (A) Unsaturated polyester
  • (B) Alkyd resins
  • (C) Saturated polyester
  • (D) Amino resins

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Q. Collapsible tubes for tooth paste are produced by __________ extrusion.

  • (A) Direct
  • (B) Indirect
  • (C) Impact
  • (D) None of these

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Q. Nitrile rubber is produced by the polymerisation of

  • (A) Acrylonitrile & butadiene
  • (B) Acrylonitrile & styrene
  • (C) Isobutylene & isoprene
  • (D) None of these

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Q. Buna-N is also called

  • (A) Butyl rubber
  • (B) Nitrile rubber
  • (C) Neoprene
  • (D) Thiokol

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Q. Cellulose content in bomboo fibre is about __________ percent.

  • (A) 10
  • (B) 20
  • (C) 50
  • (D) 85

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Q. Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are

  • (A) 50°C and 3 - 4 kg/cm2
  • (B) 50°C and 1 kgf/cm2
  • (C) 250°C and 10 kgf/cm2
  • (D) 250°C and 1 kgf/cm2

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