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


  • Options
  • A. Fibrous
  • B. Leathery
  • C. Rubbery
  • D. Hard

  • Correct Answer
  • Leathery 


  • Polymer Technology problems


    Search Results


    • 1. Ion exchange resins are made of

    • Options
    • A. lucite
    • B. sulphonated bakelite
    • C. polystyrene
    • D. teflon
    • Discuss
    • 2. Chromite refractories are used in

    • Options
    • A. bottom of soaking pits.
    • B. between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other.
    • C. both (a) & (b)
    • D. neither (a) and (b)
    • Discuss
    • 3. Fireclay bricks are used in the

    • Options
    • A. furnaces allowed to cool frequently
    • B. flues
    • C. chimney linings
    • D. all (a), (b) and (c)
    • Discuss
    • 4. Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory

    • Options
    • A. mortars
    • B. cements
    • C. castables
    • D. none of these
    • Discuss
    • 5. Refractory materials are never used in the construction of

    • Options
    • A. segar cones
    • B. orton cones
    • C. pressure vessels
    • D. ovens & retorts
    • Discuss
    • 6. Polymethyl methacrylate, which is an acrylic resin, is also called

    • Options
    • A. thiokol
    • B. plexiglass or lucite
    • C. dacron
    • D. teflon
    • Discuss
    • 7. Perspex can be used as a substitute of glass. Its monomer is

    • Options
    • A. methyl methacrylate
    • B. DMT
    • C. butadiene
    • D. tetrafluroethylene
    • Discuss
    • 8. Low density polythene as compared to high density polythene is

    • Options
    • A. harder
    • B. tougher
    • C. chemically inert
    • D. more flexible
    • Discuss
    • 9. Which of the following is stretched into fibres?

    • Options
    • A. Saturated polyester
    • B. Unsaturated polyester
    • C. Isoprene
    • D. Bakelite
    • Discuss
    • 10. Pick out the correct statement.

    • Options
    • A. Plastics are good conductors of heat and electricity.
    • B. All the polymers are highly crystalline in nature
    • C. Polymers can be vaporised by heating to a very high temperature.
    • D. The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation.
    • Discuss


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