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  • Question
  • Which of the following is not a sulphur compound present in petroleum?


  • Options
  • A. Thiophenes
  • B. Mercaptans
  • C. Sulphones
  • D. Pyroles

  • Correct Answer
  • Pyroles 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. 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
    • 2. Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?

    • Options
    • A. PCM
    • B. Tar
    • C. Light diesel oil
    • D. Low viscosity furnace oil
    • Discuss
    • 3. Aniline point of high speed diesel may be about __________ °C.

    • Options
    • A. 35
    • B. 70
    • C. 105
    • D. 150
    • Discuss
    • 4. Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.

    • Options
    • A. 85
    • B. 65
    • C. 50
    • D. 98
    • Discuss
    • 5. 1 centistoke is equal to __________ Redwood I seconds.

    • Options
    • A. 1
    • B. 4.08
    • C. 0.408
    • D. 40.8
    • Discuss
    • 6. Aniline point is a property of the

    • Options
    • A. diesel
    • B. LPG
    • C. naphtha
    • D. gasoline
    • Discuss
    • 7. Ethyl mercaptan is a/an __________ compound.

    • Options
    • A. sulphur
    • B. nitrogen
    • C. oxygen
    • D. none of these
    • Discuss
    • 8. 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
    • 9. 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
    • Discuss
    • 10. Carbon percentage (by weight) in crude petroleum may be about

    • Options
    • A. 65
    • B. 75
    • C. 85
    • D. 95
    • Discuss


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