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Petroleum Refinery Engineering problems

  • 1. Increase in the specific gravity of petroleum products indicates

  • Options
  • A. decrease in paraffin content.
  • B. increase in thermal energy per unit weight.
  • C. increase in aromatic content.
  • D. higher H/C ratio.
    • Discuss
  • 2. Crude topping column operates at __________ pressure.

  • Options
  • A. atmospheric
  • B. 10 atm
  • C. vacuum
  • D. 3 atm.
    • Discuss
  • 3. Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C?

  • Options
  • A. Naphtha
  • B. Petrol
  • C. Kerosene
  • D. Heavy fuel oil
    • Discuss
  • 4. True vapour pressure of a petroleum fraction __________ Reid vapour pressure.

  • Options
  • A. is less than
  • B. is more than
  • C. is same as
  • D. may be either more or less than
    • Discuss
  • 5. Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with

  • Options
  • A. methyl alcohol
  • B. ethyl alcohol
  • C. methane
  • D. ethane
    • Discuss
  • 6. Which of the following is the most widely used cracking process in oil refineries?

  • Options
  • A. Dubbs process.
  • B. T.C.C. moving bed process.
  • C. Fluidised bed catalytic cracking process.
  • D. Houdry's fixed bed process.
    • Discuss
  • 7. Hydrogen percentage (by weight) in crude petroleum may be about

  • Options
  • A. 5
  • B. 15
  • C. 25
  • D. 35
    • Discuss
  • 8. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.

  • Options
  • A. 3
  • B. 300
  • C. 3000
  • D. 1000
    • Discuss
  • 9. Feedstock for polymerisation is

  • Options
  • A. naphtha.
  • B. cracked gases rich in C2 & C4 olefins.
  • C. low boiling aromatics.
  • D. none of these.
    • Discuss
  • 10. Octane number (unleaded) of gasoline produced by isomerisation of butane may be about

  • Options
  • A. 45
  • B. 55
  • C. 70
  • D. 90
    • Discuss

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