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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. __________ is produced by the dehydrogenation of ethyl benzene.

    2. A.
    Styrene
    B.
    Ethyl alcohol
    C.
    Cumene
    D.
    Phenol

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  2. Which of the following is used as a coagulant in water treatment ?

    3. A.
    Chloramine
    B.
    Chlorine
    C.
    Ferrous sulphate
    D.
    Hydrogen peroxide

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  3. __________ paper is used in the manufacture of newsprint paper.

    4. A.
    Groundwood
    B.
    Board
    C.
    Tissue
    D.
    Wrapping

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  4. Hydrodenation of vegetable oils is a/an __________ reaction.

    5. A.
    endothermic
    B.
    autocatalytic
    C.
    exothermic
    D.
    homogenous

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  5. Permanent hardness of water is due to the presence of calcium & magnesium

    6. A.
    bi-carbonates
    B.
    sulphates & chlorides
    C.
    carbonate
    D.
    none of these

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  6. Concentration of sulphide ores is done usually by

    7. A.
    roasting
    B.
    smelting
    C.
    froth floatation
    D.
    electro magnetic separation

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  7. Dacron is a/an

    8. A.
    polyester
    B.
    unsaturated polyster
    C.
    polyamide
    D.
    inorganic polymer

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  8. Sodium carbonate (soda ash) is not used in the manufacture of

    9. A.
    fire extinguishers
    B.
    sugar
    C.
    baking powder
    D.
    detergents

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  9. Viscose rayon

    10. A.
    cannot be made from sulphite pulp.
    B.
    utilises H2SO4, NaOH and CS2 during its manufacture.
    C.
    cannot yield textile grade fibre.
    D.
    none of these.

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  10. Nylon 6-6 is manufactured from

    11. A.
    hexamethylene diamine and adipic acid.
    B.
    hexamethylene diamine and maleic anhydride.
    C.
    caprolactum.
    D.
    dimethyl terephthalate and ethylene glycol.

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