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Chemical Engineering :: Chemical Process

Chemical Process - Section 1
Chemical Process - Section 2
Chemical Process - Section 3
Chemical Process - Section 4
Chemical Process - Section 5
Chemical Process - Section 6
Chemical Process - Section 7
Chemical Process - Section 8
Chemical Process - Section 9
Chemical Process - Section 10
Chemical Process - Section 11
Chemical Process - Section 12
Chemical Process - Section 13
Chemical Process - Section 14
Chemical Process - Section-15

  1. Chrome tanning and vegetable tanning are done for

    2. A.
    light & heavy leather respectively.
    B.
    heavy & light leather respectively.
    C.
    both light & heavy leather.
    D.
    neither light nor heavy leather.

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  2. Catalyst used during the manufacture of 'Vanaspati Ghee' is

    3. A.
    zinc
    B.
    nickel
    C.
    platinum
    D.
    copper

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  3. Iron ore hametite is concentrated using

    4. A.
    electro magnetic separation mainly.
    B.
    gravity separation.
    C.
    froth floatation.
    D.
    roasting.

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  4. Refractory bricks burnt at very high temperature have got

    5. A.
    greater resistance to corrosion by slags.
    B.
    less resistance to corrosion by slags.
    C.
    high spalling tendency.
    D.
    none of these.

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  5. Nitrile rubber is produced by the polymerisation of

    6. A.
    acrylonitrile and butadiene.
    B.
    acrylonitrile and styrene.
    C.
    isobutylene and isoprene.
    D.
    none of these.

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  6. Carbon disulphide is mainly used in the production of

    7. A.
    viscose rayon.
    B.
    corundum.
    C.
    plasticiser for unsaturated polyester.
    D.
    paints.

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  7. 99.5% purity oxygen is used in

    8. A.
    cutting and welding by oxy-acetylene flame.
    B.
    hospitals for medicinal purposes.
    C.
    gas masks and artificial breathing apparatus.
    D.
    all (a), (b), and (c).

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  8. Nylon-6 is manufactured from

    9. A.
    caprolactum.
    B.
    hexamethylene diamine and adipic acid.
    C.
    hexamethylene diamine and maleic anhydride.
    D.
    hexamethylene diamine and sebacic acid.

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  9. Permanent hardness of water can be removed by

    10. A.
    boiling.
    B.
    adding Ca(OH)2.
    C.
    boiling it with Na2CO3.
    D.
    none of these.

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  10. Sizing material is incorporated in paper to

    11. A.
    impart resistance to penetration by liquids.
    B.
    increase its thickness.
    C.
    increase its flexibility & opacity.
    D.
    increase its brightness.

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