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Chemical Engineering :: Polymer Technology

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Polymer Technology - Section 4
Polymer Technology - Section 5
Polymer Technology - Section 6

  1. The major component of acrylic fibres is

    2. A.
    polyamides
    B.
    polyolefins
    C.
    polyacrylonitrile
    D.
    polyesters

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  2. Which of the following polymers is used for making a non stick coating on frying pans ?

    3. A.
    Bakelite
    B.
    Teflon
    C.
    Perspex
    D.
    PVC

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  3. Which of the following polymers does not belong to the class of polyacrylate polymer ?

    4. A.
    PMMA
    B.
    Polyacrylonitrile
    C.
    Polyethyl acrylate
    D.
    None of these

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  4. Tyres are made by

    5. A.
    injection moulding
    B.
    extrusion
    C.
    rotational moulding
    D.
    compression moulding

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  5. Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its

    6. A.
    tensile strength
    B.
    chemical resistance
    C.
    flexibility
    D.
    all (a), (b) & (c)

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  6. Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding

    7. A.
    glycerol
    B.
    nitro cellulose
    C.
    camphor
    D.
    none of these

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  7. Phthalic anhydride is used

    8. A.
    in making PVC
    B.
    as plasticisers
    C.
    in insecticides manufacture
    D.
    for making nylon-6

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  8. Polythene is a/an

    9. A.
    addition polymerisation product.
    B.
    condensation polymerisation product.
    C.
    thermosetting material.
    D.
    none of these.

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  9. Synthetic polymer produced by using terephthalic acid and ethylene glycol is

    10. A.
    terylene
    B.
    nylon-66
    C.
    PVC
    D.
    polyesterene

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  10. Catalyst used in the production of high density polythene by low pressure Ziegler process is

    11. A.
    aluminium triethyl activated with TiCl4
    B.
    platinum
    C.
    molybdenum
    D.
    Nickel

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