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Chemical Engineering :: Petroleum Refinery Engineering

  1. Operating temperature and pressure in catalytic reforming is about

  2. A.
    1-5 Kgf/cm2 & 200°C.
    B.
    15-45 Kgf/cm2 & 450-550°C.
    C.
    50 - 75 kgf/cm2 & 600 - 800°C.
    D.
    5-10 kgf/cm2 & 150 - 250°C.

  3. With increase in density, the viscosity of petroleum products

  4. A.
    increases
    B.
    decreases
    C.
    remains same
    D.
    either (a) or (b)

  5. Detergent is added as an additive in engine lubricating oil to

  6. A.
    reduce deposit formation.
    B.
    keep contaminants in suspension.
    C.
    increase oxidation stability.
    D.
    prevent rusting.

  7. Removal of light fractions from crude oil is called its

  8. A.
    sweetening
    B.
    dehydration
    C.
    stabilisation
    D.
    visbreaking

  9. Pick out the wrong statement.

  10. A.
    Lower boiling paraffins have higher octane number than higher paraffins.
    B.
    Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process.
    C.
    The most ideal feedstock for thermal reforming is dearomatised kerosene.
    D.
    Catalyst used in catalytic reforming is platinum on silica-alumina base.

  11. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.

  12. A.
    2
    B.
    -40
    C.
    30
    D.
    55

  13. A petroleum well is called 'dry', if it contains

  14. A.
    very little oil.
    B.
    no natural gas.
    C.
    only natural gas.
    D.
    all (a), (b) and (c).

  15. Aniline point is the

  16. A.
    characteristic property of diesel & lubricating oils.
    B.
    measure of aromatic content of oil.
    C.
    both (a) and (b).
    D.
    neither (a) nor (b).

  17. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2 .

  18. A.
    1.5
    B.
    3
    C.
    6
    D.
    12

  19. Petroleum

  20. A.
    is optically active.
    B.
    constitutes mainly of olefins.
    C.
    does not contain asphalt.
    D.
    does not contain aromatics.