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Petroleum Refinery Engineering problems


  • 1. Diesel index.(an alternative index for expressing the quality of diesel) is

  • Options
  • A. determined by using a test engine.
  • B. not related to aniline point.
  • C. equal to cetane number plus 3.
  • D. all (a), (b) & (c).
  • Discuss
  • 2. __________ determination is not a very significant and important test for gasoline.

  • Options
  • A. Gum & sulphur content
  • B. Viscosity
  • C. Octane number
  • D. Reid vapor pressure
  • Discuss
  • 3. In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.

  • Options
  • A. sulphur increases
  • B. sulphur decreases
  • C. nitrogen decreases
  • D. none of these
  • Discuss
  • 4. Which of the following tests is not done for transformer oil?

  • Options
  • A. Flash point and acid value.
  • B. Aniline point.
  • C. Dielectric strength.
  • D. Copper strip corrosion test.
  • Discuss
  • 5. Solvent used in duo-sol extraction for lube oil upgradation is a mixture of

  • Options
  • A. propane & phenol-cresol mixture.
  • B. methyl ethyl ketone & glycol.
  • C. phenol & furfural.
  • D. propane & liquid sulphur dioxide.
  • Discuss
  • 6. Which of the following is used as a catalyst in fluidised bed catalytic cracking?

  • Options
  • A. Silica-magnesia
  • B. Silica-alumina
  • C. Bentonite clays
  • D. All (a), (b) and (c)
  • Discuss
  • 7. Which of the following constituents present in petroleum is responsible for ash formation?

  • Options
  • A. Nitrogen compounds
  • B. Organometallic compounds
  • C. Sulphur compounds
  • D. Oxygen compounds
  • Discuss
  • 8. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.

  • Options
  • A. bauxite
  • B. fuller's earth
  • C. activated clay
  • D. all (a), (b) & (c)
  • Discuss
  • 9. Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

  • Options
  • A. n-paraffins
  • B. olefins
  • C. aromatics
  • D. none of these
  • Discuss
  • 10. The main use of heavy gas oil produced by the vacuum distillation unit is as a

  • Options
  • A. blending component for kerosene.
  • B. blending component for petrol.
  • C. feedstock for fluid catalytic cracking unit.
  • D. none of these.
  • Discuss

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