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Home Chemical Engineering Petroleum Refinery Engineering Comments

  • Question
  • 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)

  • Correct Answer
  • all (a), (b) and (c) 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. 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
    • 2. Aniline point of high speed diesel may be about __________ °C.

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

    • Options
    • A. 85
    • B. 65
    • C. 50
    • D. 98
    • Discuss
    • 4. 1 centistoke is equal to __________ Redwood I seconds.

    • Options
    • A. 1
    • B. 4.08
    • C. 0.408
    • D. 40.8
    • Discuss
    • 5. Pick out the wrong statement.

    • Options
    • A. Pensky-Marten apparatus is used for determining flash points above 50°C.
    • B. Characterisation factor of paraffinic crude oil is more than 12.
    • C. Abel apparatus is used for determining flash points below 50°C.
    • D. An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
    • Discuss
    • 6. Which of the following is not a sulphur compound present in petroleum?

    • Options
    • A. Thiophenes
    • B. Mercaptans
    • C. Sulphones
    • D. Pyroles
    • Discuss
    • 7. Aniline point is a property of the

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

    • Options
    • A. sulphur
    • B. nitrogen
    • C. oxygen
    • D. none of these
    • Discuss
    • 9. 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
    • 10. 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


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