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  • Question
  • Amino resins are used in paper treatment to improve its


  • Options
  • A. wet tear and bursting strength.
  • B. folding endurance
  • C. wet rub resistance
  • D. all (a), (b) & (c)

  • Correct Answer
  • all (a), (b) & (c) 


  • Polymer Technology problems


    Search Results


    • 1. Plastic articles are normally produced by __________ moulding.

    • Options
    • A. green sand
    • B. injection
    • C. shell
    • D. dry sand
    • Discuss
    • 2. Valcunisation of rubber decreases its

    • Options
    • A. tensile strength.
    • B. resistance to organic solvents.
    • C. tackiness.
    • D. working temperature range.
    • Discuss
    • 3. Alkyd resin can not be used for making

    • Options
    • A. plasticiser
    • B. paint & varnish
    • C. fibres
    • D. film forming materials
    • Discuss
    • 4. Polystyrene is a __________ plastic at room temperature.

    • Options
    • A. ductile
    • B. brittle
    • C. malleable
    • D. none of these
    • Discuss
    • 5. Bristles of tooth brushes are made of

    • Options
    • A. nylon-6
    • B. nylon-66
    • C. polystyrene
    • D. PVC
    • Discuss
    • 6. Vulcanisation of raw rubber makes it

    • Options
    • A. soft
    • B. less elastic
    • C. plastic
    • D. tacky
    • Discuss
    • 7. Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used

    • Options
    • A. for surface coating of automobiles & air crafts.
    • B. for fibre making.
    • C. as plasticiser for PVC & nitrocellulose.
    • D. for film forming materials.
    • Discuss
    • 8. Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.

    • Options
    • A. epoxy
    • B. phenol formaldehyde
    • C. urea formaldehyde
    • D. melamine formaldehyde
    • Discuss
    • 9. Polypropylene compared to polythene is

    • Options
    • A. harder
    • B. stronger
    • C. lighter
    • D. all (a), (b) and (c)
    • Discuss
    • 10. Pick out the wrong statement.

    • Options
    • A. Cold SBR is superior as compared to hot SBR.
    • B. Polymerisation temperature can modify the properties of SBR.
    • C. Production of cold SBR employs lower pressure as compared to that of hot SBR.
    • D. None of these.
    • Discuss


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