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Chemical Engineering :: Petroleum Refinery Engineering

  1. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.

  2. A.
    black
    B.
    white
    C.
    red
    D.
    yellow

  3. Cetane number of diesel used in trucks may be about

  4. A.
    50
    B.
    14
    C.
    35
    D.
    85

  5. __________ test is done to find out the softening point of bitumen.

  6. A.
    Impact
    B.
    Ball and ring
    C.
    Flame
    D.
    Viscosity

  7. __________ determination is not a very significant and important test for gasoline.

  8. A.
    Gum & sulphur content
    B.
    Viscosity
    C.
    Octane number
    D.
    Reid vapor pressure

  9. Which of the following has the lowest viscosity (at a given temperature) of all?

  10. A.
    Naphtha
    B.
    Kerosene
    C.
    Diesel
    D.
    Lube oil

  11. Mercaptans are

  12. A.
    low boiling sulphur compounds.
    B.
    added in LPG cylinders to detect gas leakage by its smell.
    C.
    undesirable in petrol, as they reduce its octane number.
    D.
    all (a), (b) and (c)

  13. Paraffin base crude oil as compared to asphalt base crude gives

  14. A.
    higher yield of straight run gasoline.
    B.
    higher octane number gasoline.
    C.
    lower viscosity index lube oil.
    D.
    poorer yield of lube oil.

  15. True boiling point apparatus is used for the

  16. A.
    determination of characterisation factor.
    B.
    evaluation of oil stocks.
    C.
    determination of true vapour pressure.
    D.
    none of these.

  17. In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.

  18. A.
    sulphur increases
    B.
    sulphur decreases
    C.
    nitrogen decreases
    D.
    none of these

  19. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.

  20. A.
    bauxite
    B.
    fuller's earth
    C.
    activated clay
    D.
    all (a), (b) & (c)