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  • Question
  • Styrene butadiene rubber (SBR) as compared to natural rubber has


  • Options
  • A. poor tensile strength.
  • B. poorer resistance.
  • C. greater amount of heat build up heavy loading.
  • D. all (a), (b) ana (c).

  • Correct Answer
  • all (a), (b) ana (c). 


  • Polymer Technology problems


    Search Results


    • 1. Nylon-6 is manufactured from

    • Options
    • A. caprolactum.
    • B. adipic acid and hexamethylene diamine.
    • C. maleic anhydride and hexamethylene diamine.
    • D. sebasic acid and hexamethylene diamine.
    • Discuss
    • 2. __________ is not a polyester fibre.

    • Options
    • A. Terylene
    • B. Dacron
    • C. Nylon
    • D. Polyacrylonitrite
    • Discuss
    • 3. Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerisation of

    • Options
    • A. vinyl acetate
    • B. vinyl chloride
    • C. propylene
    • D. styrene
    • Discuss
    • 4. Lavatory cisterns are normally made of

    • Options
    • A. expanded polystyrene
    • B. saturated polyester
    • C. perspex
    • D. PVC
    • Discuss
    • 5. Which of the following is generally not used as eord for synthetic rubber tyre casing?

    • Options
    • A. Dacron
    • B. Nylon
    • C. Cellulose
    • D. None of these
    • Discuss
    • 6. Which of the following low molecular weight (<104 ), soft & waxy polymer is used in chewing gum?

    • Options
    • A. Cellulose acetate
    • B. Polyvinyl acetate
    • C. Thiokol
    • D. PVC
    • Discuss
    • 7. Neoprene is a

    • Options
    • A. monomer
    • B. synthetic rubber
    • C. polyester
    • D. none of these
    • Discuss
    • 8. In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer?

    • Options
    • A. Bakelite (phenol formaldehyde)
    • B. Polyester
    • C. Polythene
    • D. Nylon-6
    • Discuss
    • 9. Starting material for the production of SBR is

    • Options
    • A. ethyl alcohol
    • B. ethylene
    • C. both (a) & (b)
    • D. neither (a) nor (b)
    • Discuss
    • 10. Which of the following polymers belong to the class of formaldehyde resin?

    • Options
    • A. Melamine resins
    • B. Teflon
    • C. Dacron
    • D. None of these
    • Discuss


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