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  • Question
  • Solvent used in Edeleanu process is


  • Options
  • A. furfural
  • B. propane
  • C. liquid SO2
  • D. phenol

  • Correct Answer
  • liquid SO2 


  • Petroleum Refinery Engineering problems


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    • 1. In solutizer sweetening process, solutizer solution used is

    • Options
    • A. methanol in Unisol process.
    • B. naphthenic acid in Mercapsol process.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss
    • 2. Pick out the correct statement about catalytic polymerisation.

    • Options
    • A. H2SO4 polymerisation process gives gasoline rich in unsaturates.
    • B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive.
    • C. both (a) and (b)
    • D. neither (a) nor (b)
    • Discuss
    • 3. Which one is preferred for aircraft engine?

    • Options
    • A. High viscosity index lube oil.
    • B. Low viscosity index lube oil.
    • C. High freezing point aviation fuel.
    • D. None of these.
    • Discuss
    • 4. Molecular weight of crude oil is in the range of

    • Options
    • A. 100-120
    • B. 230-250
    • C. 450-550
    • D. 600-850
    • Discuss
    • 5. In sweetening process, solutizer agent used with caustic alkali is

    • Options
    • A. potassium isobutyrate
    • B. sodium plumbite
    • C. methanol
    • D. phenol
    • Discuss
    • 6. Mercapsol and Unisol processes are meant for the

    • Options
    • A. dearomatisation of kerosene
    • B. removal of mercaptans
    • C. dewaxing
    • D. decoloration
    • Discuss
    • 7. Name the endothermic reaction out of the following:

    • Options
    • A. Catalytic cracking.
    • B. Hydrocracking.
    • C. Dehydrogeneration of naphthene to produce aromatic.
    • D. Catalytic polymerisation.
    • Discuss
    • 8. Both asphalt and wax are produced by __________ base crude oils.

    • Options
    • A. naphthenic
    • B. asphalt
    • C. paraffin
    • D. mixed
    • Discuss
    • 9. Petroleum coke is commercially produced by the __________ process.

    • Options
    • A. hydrocracking
    • B. visbreaking
    • C. fluid catalytic cracking
    • D. delayed coking
    • Discuss
    • 10. High aniline point of diesel indicates that, it

    • Options
    • A. is highly aromatic.
    • B. has a large ignition delay.
    • C. is highly paraffinic.
    • D. has a low diesel index.
    • Discuss


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