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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. Which of the following contains least amount of N2 ?

    2. A.
    Coke oven gas
    B.
    Blast furnace gas
    C.
    Producer gas
    D.
    Water gas (blue gas).

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  2. Calcination of limestone is not done in a __________ kiln for producing lime.

    3. A.
    vertical shaft
    B.
    rotary
    C.
    fluidised bed
    D.
    fixed bed

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  3. Neoprene is a

    4. A.
    monomer
    B.
    synthetic rubber
    C.
    polyester
    D.
    none of these

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  4. Saponification value/number of an oil or fat is a measure of its

    5. A.
    fatty acid content.
    B.
    degree of unsaturation of the fatty acids present in it.
    C.
    average molecular weight.
    D.
    insoluble fatty acid content.

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  5. Ethyl alcohol cannot be produced

    6. A.
    from waste sulphite substrate of paper mills.
    B.
    by esterification and hydroloysis of ethylene.
    C.
    from molasses.
    D.
    none of these.

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  6. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

    7. A.
    15-30
    B.
    90-100
    C.
    250-300
    D.
    <0

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  7. Cement mainly contains

    8. A.
    CaO, SiO2, Al2O3
    B.
    MgO, SiO2, K2O
    C.
    Al2O3, MgO, Fe2O3
    D.
    CaO, MgO, K2O

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  8. Sand and __________ is fused at 1300°C, to produce sodium silicate.

    9. A.
    limestone
    B.
    soda ash
    C.
    coke
    D.
    sodium sulphate

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  9. Coke used for the production of calcium carbide should have

    10. A.
    low ash content.
    B.
    low ignition temperature.
    C.
    high electrical resistivity.
    D.
    all (a), (b) and (c).

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  10. Sucrose is a disaccharide consisting of

    11. A.
    glucose and glucose
    B.
    glucose and fructose
    C.
    glucose and galactose
    D.
    fructose and galactose

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