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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. In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by

    2. A.
    increasing the oxygen concentration.
    B.
    putting more quantity of V2O5 catalyst in the converter.
    C.
    removing some quantity of SO3 during intermediate stage.
    D.
    maintaining low temperature & pressure in the converter.

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  2. Tall oil obtained as a by-product from the black liquor recovery is

    3. A.
    a black, sticky & viscous liquid.
    B.
    used in the manufacture of greases, emulsions & soaps.
    C.
    composed mainly of rosin & fatty acids.
    D.
    all (a), (b) & (c).

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  3. __________ is a polysacchride.

    4. A.
    Maltose
    B.
    Starch
    C.
    Sucrose
    D.
    Glucose

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  4. Styrene is produced from ethyl benzene by the process of

    5. A.
    dehydrogenation
    B.
    oxidation
    C.
    alkylation
    D.
    dehydration

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  5. Acetone is produced by catalytic dehydrogenation of

    6. A.
    phenol
    B.
    naphthalene
    C.
    isopropanol
    D.
    ethyl benzene

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  6. Nitrogen is an essential component of

    7. A.
    mineral salts
    B.
    carbohydrates
    C.
    fats
    D.
    proteins

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  7. Bromine content in sea water may be around __________ ppm.

    8. A.
    70
    B.
    640
    C.
    1875
    D.
    2500

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  8. Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is

    9. A.
    0.14
    B.
    0.34
    C.
    0.94
    D.
    1.4

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  9. Poly tetraflouro ethylene (P.T.F.E.) is known as

    10. A.
    bakelite
    B.
    teflon
    C.
    celluloid
    D.
    decron

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  10. Bakelite is

    11. A.
    same as poly tetrafluoroethylene (PTFE).
    B.
    an inorganic polymer.
    C.
    same as thermosetting phenol-formaldehyde.
    D.
    not a polymer.

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