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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. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

    2. A.
    70
    B.
    55
    C.
    80
    D.
    94

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  2. Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

    3. A.
    hard
    B.
    soft
    C.
    metallic
    D.
    lubricating

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  3. Synthetic glycerine is produced from

    4. A.
    toluene
    B.
    phenol
    C.
    propylene
    D.
    naphthalene

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  4. A 'unit process' is exemplified by the

    5. A.
    distillation
    B.
    hydrogenation of oils
    C.
    absorption
    D.
    humidification

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  5. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is

    6. A.
    a slow reaction.
    B.
    a discontinuous reaction (requiring regeneration of iron by water gas intermittently).
    C.
    still in development stage (by employing fluidised bed technique).
    D.
    all (a), (b) and (c).

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  6. Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to

    7. A.
    reduce its viscosity.
    B.
    increase its viscosity.
    C.
    reduce the variation in its viscosity with temperature.
    D.
    increase the variation in its viscosity with temperature.

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  7. Pick out the wrong statement pertaining to solvent extraction of oil.Rate of extraction

    8. A.
    decreases with decrease of thickness of the flakes.
    B.
    increases with the increasing flake size keeping the flake thickness constant.
    C.
    increases Considerably with the rise of temperature.
    D.
    decreases as the moisture content of flakes increases.

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  8. Sea weeds are an important source of

    9. A.
    fluorine
    B.
    chlorine
    C.
    bromine
    D.
    iodine

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  9. Polythene is a/an __________ polymerisation product.

    10. A.
    addition
    B.
    condensation
    C.
    thermosetting
    D.
    none of these

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  10. Catalytic oxidation-dehydrogenation of methyl alcohol produces

    11. A.
    formaldehyde
    B.
    phenol
    C.
    acetone
    D.
    maleic anhydride

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