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  • Question
  • __________ is normally used for the manufacture of refrigerator components and transistor parts.


  • Options
  • A. Polyproylene
  • B. Polystyrene
  • C. Polyester
  • D. Polyurathene

  • Correct Answer
  • Polystyrene 


  • Polymer Technology problems


    Search Results


    • 1. In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is

    • Options
    • A. terylene
    • B. polybutadiene
    • C. PVC
    • D. polypropylene
    • Discuss
    • 2. Polycondensation reaction of polymerisation

    • Options
    • A. does not produce linear polymers.
    • B. produces only thermoplastic material.
    • C. produces epoxy polymers.
    • D. does not need any catalyst.
    • Discuss
    • 3. Which of the following is generally not drawn into fibre?

    • Options
    • A. Polyamide
    • B. Unsaturated polyesters
    • C. Saturated polyesters
    • D. Polyacrylonitrile
    • Discuss
    • 4. Styrene butadiene rubber (SBR) is never used for making

    • Options
    • A. coated fabrics
    • B. front wheel tyres of aeroplanes (i.e., heavy duty tyres)
    • C. gaskets
    • D. soles of shoes
    • Discuss
    • 5. The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is

    • Options
    • A. polyvinyl alcohol
    • B. polyvinyl acetale
    • C. polyvinyl butyral
    • D. PVC
    • Discuss
    • 6. In nylon-6, the number 6 represents the total number of

    • Options
    • A. carbon atoms in the ring.
    • B. carbon atoms in the linear polymer chain.
    • C. nitrogen atoms in the ring.
    • D. hydrogen atoms in the ring.
    • Discuss
    • 7. Which of the following has the weakest intermolecular forces?

    • Options
    • A. Polyisoprene
    • B. Nylon-66
    • C. Polystyrene
    • D. Bakelite
    • Discuss
    • 8. Size range of polymer molecules varies from __________ metre.

    • Options
    • A. 10-2 to 10-5
    • B. 10-4 to 10-7
    • C. 10-1 to 10-2
    • D. 10-8 to 10-10
    • Discuss
    • 9. Gutta parcha rubber is

    • Options
    • A. soft & tacky at room temperature.
    • B. an isomer of natural rubber.
    • C. a thermosetting resin.
    • D. recovered by coagulation of rubber latex.
    • Discuss
    • 10. Thermosetting resins/polymers as compared to thermoplastic ones are

    • Options
    • A. soluble in all organic solvents.
    • B. more brittle.
    • C. formed by addition polymerisation only.
    • D. easily reshaped & reused.
    • Discuss


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