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  • Question
  • Which of the following polymers has the tendency of decomposing before melting?


  • Options
  • A. Polystyrene
  • B. Nylon
  • C. PVC
  • D. None of these

  • Correct Answer
  • PVC 


  • Polymer Technology problems


    Search Results


    • 1. Plasticisers are added to synthetic plastics to

    • Options
    • A. impart flexibility.
    • B. improve workability during fabrication.
    • C. develop new improved properties not present in the original resin.
    • D. all (a), (b) and (c).
    • Discuss
    • 2. Celluloid is

    • Options
    • A. cellulose acetate
    • B. regenerated cellulose
    • C. cellulose nitrate
    • D. cellulose acetate butyrate
    • Discuss
    • 3. The monomer of poly vinyl chloride (PVC) is

    • Options
    • A. chloroethene
    • B. ethylene dichloride
    • C. ethyl chloride
    • D. chloroform
    • Discuss
    • 4. Neoprene is chemically known as

    • Options
    • A. polybutandiene
    • B. styrene butadiene rubber (SBR)
    • C. polyurethane
    • D. poly chloroprene
    • Discuss
    • 5. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces

    • Options
    • A. nylon-6
    • B. dacron
    • C. polyester
    • D. PVC
    • Discuss
    • 6. The main use of butadiene is

    • Options
    • A. as a plasticiser for unsaturated polyester.
    • B. in the manufacture of synthetic rubber.
    • C. as an anti-skimming agent in paint.
    • D. none of these.
    • Discuss
    • 7. Nitrile rubber is produced by the polymerisation of

    • Options
    • A. acrylonitrile & butadiene.
    • B. acrylonitrile & styrene.
    • C. isobutylene & isoprene.
    • D. none of these.
    • Discuss
    • 8. Which of the following is generally not used as eord for synthetic rubber tyre casing?

    • Options
    • A. Dacron
    • B. Nylon
    • C. Cellulose
    • D. None of these
    • Discuss
    • 9. Lavatory cisterns are normally made of

    • Options
    • A. expanded polystyrene
    • B. saturated polyester
    • C. perspex
    • D. PVC
    • Discuss
    • 10. Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of

    • Options
    • A. vinyl acetate
    • B. vinyl chloride
    • C. propylene
    • D. styrene
    • Discuss


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