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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 the production of soda ash by Solvay process, the by-product is

    2. A.
    CaCl2
    B.
    NH4Cl
    C.
    NH3
    D.
    NaOH

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  2. The ideal pulp for the manufacture of paper should have high __________ content.

    3. A.
    cellulose
    B.
    lignin
    C.
    both (a) & (b)
    D.
    none of these

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  3. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

    4. A.
    independent of
    B.
    directly proportional to
    C.
    inversely proportional to
    D.
    proportional to the square of

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  4. Which of the following is a constituent of vinegar ?

    5. A.
    Around 10% alcohol
    B.
    Around 1% acetic acid
    C.
    Both (a) and (b)
    D.
    Neither (a) nor (b)

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  5. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

    6. A.
    it is very corrosive at elevated temperature.
    B.
    its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced).
    C.
    it decomposes on further increasing the temperature.
    D.
    none of these.

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  6. Kopper-Totzek coal gasifier

    7. A.
    can give ammonia synthesis gas (H2 + N2).
    B.
    is a moving bed reactor.
    C.
    cannot use coking coal.
    D.
    operate at very high pressure.

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  7. Addition of calcium oxide to water produces

    8. A.
    exothermic heat
    B.
    hissing sound
    C.
    slaked lime
    D.
    all (a), (b) & (c)

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  8. Sodium bisulphite is used for __________ water.

    9. A.
    deaeration
    B.
    dechlorination
    C.
    both (a) & (b)
    D.
    neither (a) nor(b)

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  9. Riboflavin is a/an

    10. A.
    vitamin
    B.
    analgesic drug
    C.
    anaesthetics
    D.
    anti-malarial drug

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  10. Flash point of most vegetable oils is about __________ °C.

    11. A.
    50
    B.
    100
    C.
    200
    D.
    300

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