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Chemical Engineering :: Polymer Technology

Polymer Technology - Section 1
Polymer Technology - Section 2
Polymer Technology - Section 3
Polymer Technology - Section 4
Polymer Technology - Section 5
Polymer Technology - Section 6

  1. Nylon-6 is manufactured from

    2. A.
    caprolactum.
    B.
    adipic acid and hexamethylene diamine.
    C.
    maleic anhydride and hexamethylene diamine.
    D.
    sebasic acid and hexamethylene diamine.

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  2. Caprolactum, a raw material for the manufacture of nylon-6, is produced from

    3. A.
    phenol
    B.
    naphthalene
    C.
    benzene
    D.
    pyridine

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  3. The monomer of poly vinyl chloride (PVC) is

    4. A.
    chloroethene
    B.
    ethylene dichloride
    C.
    ethyl chloride
    D.
    chloroform

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  4. Buna-S is also known as

    5. A.
    teflon
    B.
    PTFE
    C.
    SBR
    D.
    polycrylates

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  5. Neoprene is chemically known as

    6. A.
    polybutandiene
    B.
    styrene butadiene rubber (SBR)
    C.
    polyurethane
    D.
    poly chloroprene

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  6. Lavatory cisterns are normally made of

    7. A.
    expanded polystyrene
    B.
    saturated polyester
    C.
    perspex
    D.
    PVC

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  7. Plasticisers are added to synthetic plastics to

    8. A.
    impart flexibility.
    B.
    improve workability during fabrication.
    C.
    develop new improved properties not present in the original resin.
    D.
    all (a), (b) and (c).

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  8. Cellulose is the main contituent of most __________ fibres.

    9. A.
    acrylic
    B.
    spandex
    C.
    synthetic
    D.
    natural

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  9. __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

    10. A.
    Epoxy
    B.
    Amino
    C.
    Alkyd
    D.
    Phenolic

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  10. __________ tubes are good substitude for human blood vessels onrheart by-pass operation.

    11. A.
    PVC
    B.
    Polythene
    C.
    Teflon/dacron
    D.
    Polystyrene

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