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  • Question
  • Rain coats are made of


  • Options
  • A. neoprene
  • B. PVC
  • C. polyurathane
  • D. SBR

  • Correct Answer
  • PVC 


  • Polymer Technology problems


    Search Results


    • 1. The only natural thermoplastic resin, which is a product of animal life is

    • Options
    • A. rosin
    • B. shellac
    • C. amber
    • D. copal
    • Discuss
    • 2. Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an

    • Options
    • A. polyester
    • B. polyamide
    • C. polyisoprene
    • D. polystyrene
    • Discuss
    • 3. Rayon is a __________ fibre.

    • Options
    • A. cellulosic
    • B. polyamide
    • C. polyester
    • D. natural
    • Discuss
    • 4. Collapsible tubes for tooth paste are produced by __________ extrusion.

    • Options
    • A. direct
    • B. indirect
    • C. impact
    • D. none of these
    • Discuss
    • 5. Softening point of high density polythene is about __________ °C.

    • Options
    • A. 85
    • B. 135
    • C. 165
    • D. 205
    • Discuss
    • 6. Styrene butadiene rubber is commercially manufactured by

    • Options
    • A. bulk polymerisation
    • B. suspension polymerisation
    • C. solution polymerisation
    • D. emulsion polymerisation
    • Discuss
    • 7. Pickout the wrong statement.

    • Options
    • A. Polymers made of only one monomer is called homopolymer.
    • B. Polymers made of more than one monomer is called copolymer or mixed polymer.
    • C. Vulcanised rubber is more elastic than natural rubber.
    • D. The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres.
    • Discuss
    • 8. Terylene is

    • Options
    • A. same as dacron
    • B. a polyester
    • C. both(a) & (b)
    • D. neither (a) nor (b)
    • Discuss
    • 9. Which of the following is not a condensation polymer?

    • Options
    • A. Bakelite
    • B. Melamine polymer
    • C. Polymethylmethacrylate (PMMA)
    • D. None of these
    • Discuss
    • 10. Condensation polymerisation of __________ produces bakelite.

    • Options
    • A. propylene
    • B. phenol & formaldehyde
    • C. phenol & acetaldehyde
    • D. urea & formaldehyde
    • Discuss


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