Polymer Technology MCQs with answers Page - 5

Here, you will find a collection of MCQ questions on Polymer Technology. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Orlan fibre which is used as a wool sub stitute is

  • (A) An amorphous polymer
  • (B) A natural polymeric fibre
  • (C) Polyacrylonitrile
  • (D) Polymethylmethacrylate (PMMA)

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Q. Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of

  • (A) Vinyl acetate
  • (B) Vinyl chloride
  • (C) Propylene
  • (D) Styrene

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Q. Size range of polymer molecules varies from __________ metre.

  • (A) 10-2 to 10-5
  • (B) 10-4 to 10-7
  • (C) 10-1 to 10-2
  • (D) 10-8 to 10-10

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Q. __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.

  • (A) Fibrous
  • (B) Leathery
  • (C) Rubbery
  • (D) Hard

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Q. A copolymer of vinyl and vinylidine chloride is called

  • (A) Treylene
  • (B) Orlon
  • (C) Saran
  • (D) Dacron

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Q. Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.

  • (A) Nylon
  • (B) Polyacrylonitrile
  • (C) Polypropylene
  • (D) Polyester

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Q. Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?

  • (A) Phosphorous
  • (B) Carbon black
  • (C) Pine oil
  • (D) Rosin

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Q. Styrene butadiene rubber (SBR) is never used for making

  • (A) Coated fabrics
  • (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)
  • (C) Gaskets
  • (D) Soles of shoes

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

  • (A) 5°C and 1 kgf/cm2
  • (B) -20°C and 1 kgf/cm2
  • (C) 0°C and 1 kgf/cm2
  • (D) 0°C and 3 kgf/cm2

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Q. Thermocole (expanded polystyrene) is not used for

  • (A) Low temperature thermal insulation as in refrigerator and air conditioners
  • (B) Accoustic control and ceiling for building
  • (C) High temperature thermal insulation in furnaces
  • (D) Packing of delicate electronic gadgets

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