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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. Glauber's salt is chemically represented by

    2. A.
    Na2SO4.10H2O
    B.
    CaCl(OCl)
    C.
    CaSO4.H2O
    D.
    (NH4)2SO4

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  2. Chemical name of Grignard reagent is

    3. A.
    sodium thiosulphate.
    B.
    ethyl magnesium chloride.
    C.
    sodium sulphite.
    D.
    sodium bicarbonate.

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  3. Which of the following processes is absent in glass manufacturing process ?

    4. A.
    Sintering
    B.
    Annealing
    C.
    Shaping or forming
    D.
    Melting

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  4. Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

    5. A.
    1
    B.
    2.5
    C.
    5
    D.
    10

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  5. Dacron (or terylene) fibres as compared to nylon'fibres have

    6. A.
    better heat & acid resistant properties.
    B.
    poorer resistance to alkalis.
    C.
    poorer dyeability.
    D.
    all (a), (b) and (c).

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  6. Grignard reagent is chemically known as

    7. A.
    ethyl magnesium chloride.
    B.
    methyl magnesium chloride.
    C.
    dichlorophenol.
    D.
    monochloro acetic acid.

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  7. The function of gypsum addition during cement making is to

    8. A.
    increase the density of cement.
    B.
    decrease the cement setting rate.
    C.
    both (a) and (b).
    D.
    neither (a) nor (b).

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  8. Low purity oxygen is used for

    9. A.
    L.D. steel making.
    B.
    cutting and welding of metals.
    C.
    medicinal purposes.
    D.
    chemical oxidation processes.

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  9. __________ is produced using molasses as the starting raw material.

    10. A.
    Methyl alcohol
    B.
    Ethyl alcohol
    C.
    Benzol
    D.
    Dimethyl ether

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  10. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

    11. A.
    high electrical insulation properties.
    B.
    sharp melting points.
    C.
    low co-efficient of thermal expansion.
    D.
    compressive strength much greater than their tensile strengths.

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