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  • Question
  • Paper like thin plastic articles can be produced by


  • Options
  • A. blow moulding
  • B. vacuum thermo forming
  • C. injection moulding
  • D. none of these

  • Correct Answer
  • vacuum thermo forming 


  • Polymer Technology problems


    Search Results


    • 1. Tyres are made by

    • Options
    • A. injection moulding
    • B. extrusion
    • C. rotational moulding
    • D. compression moulding
    • Discuss
    • 2. The major component of acrylic fibres is

    • Options
    • A. polyamides
    • B. polyolefins
    • C. polyacrylonitrile
    • D. polyesters
    • Discuss
    • 3. Bakelite is a/an

    • Options
    • A. addition polymer
    • B. elastomer
    • C. thermoplastic
    • D. none of these
    • Discuss
    • 4. Dacron is a/an

    • Options
    • A. addition polymer
    • B. condensation polymer
    • C. polyester
    • D. both (b) and (c)
    • Discuss
    • 5. Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding

    • Options
    • A. glycerol
    • B. nitro cellulose
    • C. camphor
    • D. none of these
    • Discuss
    • 6. Non sulphonated hard bakelites are not used for making

    • Options
    • A. ion-exchange resins
    • B. fountain pen barrels
    • C. formica table tops
    • D. combs
    • Discuss
    • 7. Thermal pyrolysis of ethylene dichloride produces

    • Options
    • A. trichlorethylene
    • B. vinyl chloride
    • C. ethanol amine
    • D. ethylene oxide
    • Discuss
    • 8. Identify the group in which all the polymers mentioned can be used to make fibres.

    • Options
    • A. Butadiene copolymers, Polyamides, Urea aldehyde
    • B. Cellulose derivatives, Polyisoprene, Polyethylene
    • C. Cellulose derivatives, Polyamides, Polyurathane
    • D. Polypropylene, Poly vinyl chloride, Silicon
    • Discuss
    • 9. Thermosetting polymers as compared to thermoplastic polymers

    • Options
    • A. are formed by addition polymerisation.
    • B. have three dimensional structure.
    • C. have linear structure.
    • D. none of these.
    • Discuss
    • 10. __________ polymer is used for making unbreakable crockery.

    • Options
    • A. Thermoplastic
    • B. Melamine
    • C. Addition
    • D. none of these
    • Discuss


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