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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. Chloramines are used in water treatment for

    2. A.
    disinfection and control of taste & odour.
    B.
    corrosion control.
    C.
    removing turbidity.
    D.
    control of bacteria.

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  2. Glycerine is recovered from lye by

    3. A.
    evaporation followed by vacuum distillation.
    B.
    liquid extraction technique.
    C.
    extractive distillation technique.
    D.
    none of these.

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  3. Inversion of sucrose produces

    4. A.
    fructose
    B.
    glucose
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

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  4. Enzymes are organic catalysts used in the __________ reactions.

    5. A.
    chemical
    B.
    biochemical
    C.
    photochemical
    D.
    electrochemical

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  5. Linde process of gas liquefaction employs

    6. A.
    exchange of heat with colder stream.
    B.
    adiabatic expansion through a throttle valve (Joule-Thomson expansion).
    C.
    adiabatic expansion against a piston or in a turbine.
    D.
    merely compressing the gas beyond its critical pressure.

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  6. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

    7. A.
    10
    B.
    50
    C.
    80
    D.
    95

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  7. Ore concentration by froth floatation utilises the __________ of ore particles.

    8. A.
    density difference
    B.
    wetting characteristics
    C.
    terminal velocities
    D.
    none of these

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  8. The main use of activated carbon in water treatment is to control

    9. A.
    bacterial growth
    B.
    taste and odour
    C.
    turbidity
    D.
    none of these

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  9. The most commonly used substance to speed up the sedimentation of sewage is

    10. A.
    lime
    B.
    sulphuric acid
    C.
    chlorine
    D.
    sodium bisulphite

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  10. Sucrose is a

    11. A.
    monosacchride
    B.
    disacchride
    C.
    polysacchride
    D.
    none of these

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