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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. Nylon-6 is a

    2. A.
    polyamide
    B.
    thermosetting resin
    C.
    polyester
    D.
    none of these

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  2. Enzymes are

    3. A.
    proteins with high molecular weight (around 10, 000).
    B.
    derived from living organisms.
    C.
    catalyst for temperature sensitive reactions.
    D.
    all (a), (b) and (c).

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  3. Multistage catalytic converter is not used in the

    4. A.
    conversion of SO2 to SO3
    B.
    NH3 synthesis reaction.
    C.
    both (a) & (b).
    D.
    neither (a) nor (b).

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  4. The main product of high temperature carbonisation of coal is

    5. A.
    coke
    B.
    ammonia
    C.
    tar
    D.
    phenol

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  5. __________ is a thermosetting plastic.

    6. A.
    Polythene
    B.
    Epoxy polymer
    C.
    P.V.C.
    D.
    Polystyrene

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  6. In an integrated steel plant, NH3 present in coke oven gas is normally recovered as

    7. A.
    (NH4)2SO4
    B.
    NH4Cl
    C.
    (NH4)2 NO3
    D.
    liquid NH3

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  7. Flexible foam (for mattresses) is usually made of

    8. A.
    PVC
    B.
    silicone
    C.
    polyurethanes
    D.
    polyamides

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  8. Glycerine is a by-product of the __________ industry.

    9. A.
    soap
    B.
    detergent
    C.
    oil hydrogenation
    D.
    paint

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  9. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

    10. A.
    adjust the pH of the syrup.
    B.
    remove the coloring matter from the syrup.
    C.
    reduce the viscosity of the syrup.
    D.
    improve the rate of crystallisation of sugar.

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  10. Permanent hardness of water can be removed by

    11. A.
    addition of soda ash to it.
    B.
    treating it with zeolites.
    C.
    passing it through sodium hexametaphosphate.
    D.
    all (a), (b), and (c).

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