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  • Question
  • A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.


  • Options
  • A. 4
  • B. 10
  • C. 18
  • D. 26

  • Correct Answer
  • 10 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Higher pressure in the reforming reactor

    • Options
    • A. increases coke formation.
    • B. increases the rate of reaction.
    • C. produces high octane number gasoline.
    • D. none of these.
    • Discuss
    • 2. Ethyl mercaptan is a/an __________ compound.

    • Options
    • A. sulphur
    • B. nitrogen
    • C. oxygen
    • D. none of these
    • Discuss
    • 3. Aniline point is a property of the

    • Options
    • A. diesel
    • B. LPG
    • C. naphtha
    • D. gasoline
    • Discuss
    • 4. Which of the following is not a sulphur compound present in petroleum?

    • Options
    • A. Thiophenes
    • B. Mercaptans
    • C. Sulphones
    • D. Pyroles
    • Discuss
    • 5. The conductivity of crude oil-water mixture depends on the

    • Options
    • A. pH value
    • B. water percentage
    • C. temperature
    • D. all (a), (b) and (c)
    • Discuss
    • 6. Carbon percentage (by weight) in crude petroleum may be about

    • Options
    • A. 65
    • B. 75
    • C. 85
    • D. 95
    • Discuss
    • 7. Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?

    • Options
    • A. Naphtha
    • B. Vacuum residue
    • C. Light gas oil
    • D. Diesel
    • Discuss
    • 8. Smoke point of kerosene is the

    • Options
    • A. time after which smoking starts on burning.
    • B. temperature at which smoking starts.
    • C. maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp.
    • D. none of these.
    • Discuss
    • 9. Which of the following is the most suitable feed for platforming process (reforming)?

    • Options
    • A. Olefinic hydrocarbon
    • B. Naphtha
    • C. Fuel oil
    • D. Atmospheric residue
    • Discuss
    • 10. Boiling range of motor gasoline is an indication of the

    • Options
    • A. case of starting
    • B. rate of acceleration
    • C. vapour locking tendency
    • D. all (a), (b) and (c)
    • Discuss


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