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Chemical Engineering :: Chemical Process

Chemical Process - Section 1
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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 the Solvay process, the product from the calciner is

    2. A.
    light soda ash
    B.
    dense soda ash
    C.
    sodium bicarbonate
    D.
    dehydrated soda ash

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  2. Commercially ethylene is produced from naphtha by

    3. A.
    catalytic cracking.
    B.
    catalytic dehydrogenation.
    C.
    pyrolysis.
    D.
    hydrocracking.

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  3. Poly Vinyl Chloride (P.V.C.) is a __________ material.

    4. A.
    thermosetting
    B.
    thermoplastic
    C.
    fibrous
    D.
    chemically active

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  4. Pig iron is produced by blast furnaces in India using mostly the iron ore named

    5. A.
    hematite
    B.
    magnetite
    C.
    siderite
    D.
    chalcopyrite

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  5. The difference between saponification value and acid value is

    6. A.
    called ester value.
    B.
    always negative.
    C.
    constant for all fatty oils.
    D.
    none of these.

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  6. Fourdrinier machine is used in the manufacture of

    7. A.
    nylon-6
    B.
    paper
    C.
    antibiotics
    D.
    sugar

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  7. Pencillin is made employing __________ fermentation process.

    8. A.
    continuous
    B.
    aerobic batch
    C.
    anaerobic batch
    D.
    none of these

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  8. Sulphuric acid saturated with SO3 is called

    9. A.
    concentrated H2SO4.
    B.
    sulphurous acid.
    C.
    oleum.
    D.
    none of these.

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  9. Nylon 66 is so named because the

    10. A.
    average degree of polymerisation of the polymer is 1966.
    B.
    number of carbon atoms between two nitrogen atoms are 6.
    C.
    number of nitrogen atoms between two carbon atoms are 6
    D.
    polymer was first synthesised in 1966.

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  10. Wet chlorine gas produced during electrolysis of brine is dehydrated by

    11. A.
    spraying 66° Be H2SO4 counter current to the flow of the gas.
    B.
    passing it through a bed of diatomaceous earth.
    C.
    passing it through a bed of silica gel.
    D.
    none of these.

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