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  • Question
  • Petroleum coke is commercially produced by the __________ process.


  • Options
  • A. hydrocracking
  • B. visbreaking
  • C. fluid catalytic cracking
  • D. delayed coking

  • Correct Answer
  • delayed coking 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Both asphalt and wax are produced by __________ base crude oils.

    • Options
    • A. naphthenic
    • B. asphalt
    • C. paraffin
    • D. mixed
    • Discuss
    • 2. 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
    • 3. Mercapsol and Unisol processes are meant for the

    • Options
    • A. dearomatisation of kerosene
    • B. removal of mercaptans
    • C. dewaxing
    • D. decoloration
    • Discuss
    • 4. Solvent used in Edeleanu process is

    • Options
    • A. furfural
    • B. propane
    • C. liquid SO2
    • D. phenol
    • Discuss
    • 5. 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
    • 6. 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
    • 7. Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?

    • Options
    • A. Reforming
    • B. Pyrolysis
    • C. Alkylation
    • D. Hydrocracking
    • Discuss
    • 8. Catalyst used in the isomerisation is

    • Options
    • A. aluminium chloride
    • B. alumina
    • C. nickel
    • D. phosphoric acid
    • Discuss
    • 9. Petroleum coke is used mainly .in the

    • Options
    • A. discoloration of yellow glycerine.
    • B. sugar refining.
    • C. manufacture of carbon electrode.
    • D. blast furnace for reduction of iron ore.
    • Discuss
    • 10. Pick out the correct statement.

    • Options
    • A. Paraffins have higher octane number than corresponding iso-paraffin.
    • B. Paraffins have lower smoke point than aromatics.
    • C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test.
    • D. Aviation fuel should have very high cloud point.
    • Discuss


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