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  • Question
  • __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.


  • Options
  • A. Epoxy
  • B. Amino
  • C. Alkyd
  • D. Phenolic

  • Correct Answer
  • Amino 


  • Polymer Technology problems


    Search Results


    • 1. Polymethyl methacrylate (PMMA) is known as

    • Options
    • A. bakelite
    • B. teflon
    • C. perspex
    • D. nylon-6
    • Discuss
    • 2. Neoprene is the trade name of

    • Options
    • A. polyurethane
    • B. phenol formaldehyde
    • C. polychlorophrene
    • D. styrene butadiene rubber (SBR)
    • Discuss
    • 3. Dacron (or terylene) fibres as compared to nylon fibres have

    • Options
    • A. better heat & acid resistant properties.
    • B. poorer resistance to alkalis.
    • C. poorer dyeability.
    • D. all (a), (b) and (c).
    • Discuss
    • 4. The organic acid monomer in nylon 66 is

    • Options
    • A. sebasic acid
    • B. terephthalic acid
    • C. adipic acid
    • D. benzoic acid
    • Discuss
    • 5. SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at

    • Options
    • A. 1:3
    • B. 3:1
    • C. 1:2
    • D. 2:1
    • Discuss
    • 6. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces

    • Options
    • A. nylon-6
    • B. dacron
    • C. polyester
    • D. PVC
    • Discuss
    • 7. Neoprene is chemically known as

    • Options
    • A. polybutandiene
    • B. styrene butadiene rubber (SBR)
    • C. polyurethane
    • D. poly chloroprene
    • Discuss
    • 8. The monomer of poly vinyl chloride (PVC) is

    • Options
    • A. chloroethene
    • B. ethylene dichloride
    • C. ethyl chloride
    • D. chloroform
    • Discuss
    • 9. Celluloid is

    • Options
    • A. cellulose acetate
    • B. regenerated cellulose
    • C. cellulose nitrate
    • D. cellulose acetate butyrate
    • Discuss
    • 10. 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


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