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Chemical Engineering :: Petroleum Refinery Engineering

  1. Solution used in Doctor's treatment for the removal of mercaptans is

  2. A.
    sodium hydroxide
    B.
    sodium plumbite
    C.
    cupric chloride
    D.
    potassium isobutyrate

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  3. Flash point of motor gasoline may be around __________ °C.

  4. A.
    10
    B.
    45
    C.
    100
    D.
    150

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  5. __________ converts n-paraffins to i-paraffins.

  6. A.
    Alkylation
    B.
    Polymerisation
    C.
    Isomerisation
    D.
    none of these

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  7. The colour of gasoline is an indication of its

  8. A.
    octane number.
    B.
    lead susceptibility.
    C.
    gum forming tendency & thoroughness of refining.
    D.
    none of these.

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  9. The octane number of aviation gasoline may be

  10. A.
    79
    B.
    87
    C.
    97
    D.
    >100

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  11. Flash point of an oil gives an idea of the

  12. A.
    nature of boiling point diagram of the system.
    B.
    amount of low boiling fraction present.
    C.
    explosion hazards.
    D.
    all (a), (b) and (c).

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  13. Furfural solvent extraction is used for upgrading (by dissolving aromatics)

  14. A.
    naphtha
    B.
    lubricating oils
    C.
    wax
    D.
    cracking feedstock

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  15. Illuminating characteristics of kerosene is expressed by its

  16. A.
    smoke point
    B.
    aniline point
    C.
    luminosity number
    D.
    aromatic content

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  17. Which of the following constituents present in petroleum is responsible for ash formation?

  18. A.
    Nitrogen compounds
    B.
    Organometallic compounds
    C.
    Sulphur compounds
    D.
    Oxygen compounds

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  19. The coking process normally mostly used in Indian oil refineries is the __________ coking process.

  20. A.
    delayed
    B.
    flexi
    C.
    fluid
    D.
    contact

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