logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Polymer Technology Comments

  • Question
  • Buna-N is also called


  • Options
  • A. butyl rubber
  • B. nitrile rubber
  • C. neoprene
  • D. thiokol

  • Correct Answer
  • nitrile rubber 


  • Polymer Technology problems


    Search Results


    • 1. __________ is a thermosetting plastic.

    • Options
    • A. PVC
    • B. Polythene
    • C. Bakelite
    • D. polystyrene
    • Discuss
    • 2. Most of the plastics are safe to be used upto a maximum temperature of __________ °C.

    • Options
    • A. 100
    • B. 150
    • C. 350
    • D. 450
    • Discuss
    • 3. Most commonly used rubber vulcanisation agent is

    • Options
    • A. sulphur
    • B. bromine
    • C. platinum
    • D. alumina
    • Discuss
    • 4. Which of the following is a natural polyamide fibre.

    • Options
    • A. Wool
    • B. Silk
    • C. Cotton
    • D. None of these
    • Discuss
    • 5. Phenol formaldehyde is produced by condensation polymerisation. It is also known as

    • Options
    • A. teflon
    • B. bakelite
    • C. polyester
    • D. nylon-66
    • Discuss
    • 6. __________ is a natural fibre.

    • Options
    • A. Cellulose
    • B. Dacron
    • C. Nylon-6
    • D. none of these
    • Discuss
    • 7. Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is

    • Options
    • A. Ni
    • B. V2O5
    • C. Fe
    • D. aluminium triethyl combined with titanium tetrachloride
    • Discuss
    • 8. Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as

    • Options
    • A. hardeners
    • B. anti-shrinkage agents
    • C. plasticisers
    • D. transparency improver
    • Discuss
    • 9. Polypropylene is preferred to polythene, because the former is

    • Options
    • A. non-inflammable
    • B. harder
    • C. stronger
    • D. both(b) & (c)
    • Discuss
    • 10. Alkyd resin is a/an

    • Options
    • A. polyamide
    • B. polyester
    • C. polyolefin
    • D. addition polymer
    • Discuss


    Comments

    There are no comments.

Enter a new Comment