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Chemical Engineering :: Petroleum Refinery Engineering

Petroleum Refinery Engineering - Section 1
Petroleum Refinery Engineering - Section 2
Petroleum Refinery Engineering - Section 3
Petroleum Refinery Engineering - Section 4
Petroleum Refinery Engineering - Section 5
Petroleum Refinery Engineering - Section 6
Petroleum Refinery Engineering - Section 7

  1. Which of the following is not a sulphur compound present in petroleum ?

    2. A.
    Thiophenes
    B.
    Mercaptans
    C.
    Sulphones
    D.
    Pyroles

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  2. Products drawn from the top to bottom of the crude oil distillation column has progressively increasing

    3. A.
    boiling points
    B.
    molecular weight
    C.
    C/H ratio
    D.
    all (a), (b) and (c)

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  3. Asphalts are

    4. A.
    low molecular weight & low boiling point compounds present in petroleum.
    B.
    desirable in catalytic cracking feedstock, because they produce coke.
    C.
    readily oxidisable and form carbonaceous sludge.
    D.
    all (a), (b) & (c).

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  4. Smoke point of kerosene is the

    5. A.
    time after which smoking starts on burning.
    B.
    temperature at which smoking starts.
    C.
    maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp.
    D.
    none of these.

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  5. The conductivity of crude oil-water mixture depends on the

    6. A.
    pH value
    B.
    water percentage
    C.
    temperature
    D.
    all (a), (b) and (c)

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  6. Which of the following is not an important property of fuel oil/furnace oil ?

    7. A.
    Sulphur content
    B.
    Viscosity
    C.
    Aniline point
    D.
    Flash point

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  7. Which of the followingis desirable in petrol (gasoline) but undesirable in kerosene ?

    8. A.
    Paraffins
    B.
    Aromatics
    C.
    Mercaptans
    D.
    Naphthenic acid

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  8. Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.

    9. A.
    smoke point
    B.
    paraffins
    C.
    aromatics
    D.
    naphthenes

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  9. Cracking is

    10. A.
    an exothermic reaction.
    B.
    an endothermic reaction.
    C.
    favoured at very low temperature.
    D.
    none of these.

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  10. The most important property for a jet fuel is its

    11. A.
    viscosity
    B.
    freezing point
    C.
    calorific value
    D.
    flash point

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