Home / Chemical Engineering / Petroleum Refinery Engineering :: Section 1

Chemical Engineering :: Petroleum Refinery Engineering

  1. Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

  2. A.
    n-paraffins
    B.
    olefins
    C.
    aromatics
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. __________ is not an important refinery process for upgrading the quality of lubricating oil.

  4. A.
    Deoiling
    B.
    Solvent refinning
    C.
    Clay treatment
    D.
    Hydrotreatment

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Pick out the undesirable property for a solvent meant for dewaxing of lube oil.

  6. A.
    Complete miscibility with oil.
    B.
    High solubility of wax in the solvent.
    C.
    Both (a) and (b).
    D.
    Neither (a) nor (b).

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

  8. A.
    Silica-magnesia
    B.
    Silica-alumina
    C.
    Bentonite clays
    D.
    All (a), (b) and (c)

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Casing head gasoline is the liquid

  10. A.
    butane.
    B.
    propane.
    C.
    natural gas.
    D.
    gasoline separated from wet natural gas by compression.

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.

  12. A.
    electric immersion
    B.
    pipestill
    C.
    steam coil
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Viscosity index of a lubricating oil

  14. A.
    is the measure of its flash point.
    B.
    is the measure of variation of viscosity with temperature.
    C.
    should be low.
    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Visbreaking process is used mainly for making

  16. A.
    high cetane diesel
    B.
    high octane gasoline
    C.
    fuel oil
    D.
    smoke free kerosene

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Operating condition in the electrical dehydrators for crude oil is about

  18. A.
    6.5 kgf/Cm2 & 95°C.
    B.
    1 atm. & 110 °C.
    C.
    20 kgf/cm2 & 110°C.
    D.
    50 atm. and 150°C.

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. Crude oil is pumped by a __________ pump.

  20. A.
    gear
    B.
    centrifugal
    C.
    screw
    D.
    reciprocating

    View Answer

    Workspace

    Discuss Discuss in Forum