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Petroleum Refinery Engineering problems

  • 1. Octane numbers of motor gasoline used in India and America are respectively

  • Options
  • A. 87 & 94
  • B. 94 && 87
  • C. 94 && 100
  • D. 83 && 100
    • Discuss
  • 2. Research octane number refers to the

  • Options
  • A. low octane number motor fuels.
  • B. high octane number motor fuels.
  • C. high octane number aviation fuels.
  • D. unleaded motor fuels.
    • Discuss
  • 3. Natural gasoline is produced

  • Options
  • A. from oil wells
  • B. in oil refineries
  • C. by natural gas stripping
  • D. none of these
    • Discuss
  • 4. Naphtha yield in straight run distillation of crude oil may be about __________ percent.

  • Options
  • A. 2
  • B. 6
  • C. 12
  • D. 18
    • Discuss
  • 5. Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO2 extraction (Edeleanu process), its smoke point may become __________ mm.

  • Options
  • A. 5
  • B. 10
  • C. 25
  • D. 100
    • Discuss
  • 6. Polymerisation

  • Options
  • A. produces i-octane from cracked gases containing i-butane and butene.
  • B. causes olefins to combine with each other.
  • C. causes aromatics to combine with each other.
  • D. is aimed at producing lubricating oil.
    • Discuss
  • 7. Alkylation

  • Options
  • A. causes olefins to combine with each other.
  • B. causes olefins to combine with iso-paraffins.
  • C. converts iso-paraffin into olefin.
  • D. converts olefin into paraffin.
    • Discuss
  • 8. Presence of sulphur in gasoline

  • Options
  • A. leads to corrosion.
  • B. increases lead susceptibility.
  • C. decreases gum formation.
  • D. helps during stabilisation.
    • Discuss
  • 9. In case of liquid petrofuels, momentary combustion is observed at its

  • Options
  • A. flash point.
  • B. preheating temperature corresponding to viscosity of 25 centistokes.
  • C. flame temperature.
  • D. fire point.
    • Discuss
  • 10. In sweetening process, solutizer agent used with caustic alkali is

  • Options
  • A. potassium isobutyrate
  • B. sodium plumbite
  • C. methanol
  • D. phenol
    • Discuss

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