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Chemical Engineering :: Petroleum Refinery Engineering

  1. The order of preference for feedstock to a catalytic reformer is

  2. A.
    catalytic naphtha - coking naphtha - virgin naphtha.
    B.
    coking naphtha - virgin naphtha - catalytic naphtha.
    C.
    virgin naphtha - catalytic naphtha - coking naphtha.
    D.
    virgin naphtha - coking naphtha - catalytic naphtha.

  3. True vapour pressure of a petroleum fraction __________ Reid vapour pressure.

  4. A.
    is less than
    B.
    is more than
    C.
    is same as
    D.
    may be either more or less than

  5. Hydrocracking employs

  6. A.
    high pressure & temperature.
    B.
    low pressure & temperature.
    C.
    high pressure and low temperature.
    D.
    high temperature and low pressure.

  7. Sour crude means the __________ bearing crude.

  8. A.
    asphalt
    B.
    sulphur compounds
    C.
    wax
    D.
    nitrogen compounds

  9. The main aim of cracking is to produce

  10. A.
    gasoline
    B.
    lube oil
    C.
    petrolatum
    D.
    coke

  11. The general formula of naphthenes is

  12. A.
    CnH2n + 2
    B.
    CnH2n-6 (where, n ≥ 6)
    C.
    CnHn-4
    D.
    same as that for olefins i.e. CnH2n

  13. 'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.

  14. A.
    steam reforming
    B.
    distillation
    C.
    desulphurisation
    D.
    none of these

  15. Which of the following has the highest flash point of all ?

  16. A.
    Diesel
    B.
    Kerosene
    C.
    Petrol
    D.
    Furnace oil

  17. The characterisation factor of crude petroleum oil is around

  18. A.
    3
    B.
    11
    C.
    22
    D.
    28

  19. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.

  20. A.
    3
    B.
    300
    C.
    3000
    D.
    1000