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Home Chemical Engineering Petroleum Refinery Engineering Comments

  • Question
  • In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction


  • Options
  • A. heavy distillates
  • B. intermediate distillates
  • C. light ends
  • D. residues

  • Correct Answer
  • heavy distillates 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Visbreaking

    • Options
    • A. uses natural gas as feed.
    • B. is carried out at atmospheric pressure.
    • C. produces fuel oil of lower viscosity.
    • D. produces gasoline only.
    • Discuss
    • 2. Which of the following processes is used for the production of petroleum coke?

    • Options
    • A. Stabilisation
    • B. Visbreaking
    • C. Cracking
    • D. Reforming
    • Discuss
    • 3. Octane number (unleaded) of gasoline produced by isomerisation of butane may be about

    • Options
    • A. 45
    • B. 55
    • C. 70
    • D. 90
    • Discuss
    • 4. Feedstock for polymerisation is

    • Options
    • A. naphtha.
    • B. cracked gases rich in C2 & C4 olefins.
    • C. low boiling aromatics.
    • D. none of these.
    • Discuss
    • 5. 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
    • 6. Humidity of air can be determined by a

    • Options
    • A. chromatograph
    • B. sling psychrometer
    • C. mass spectrometer
    • D. polarimeter
    • Discuss
    • 7. Concentration of sugar solution can be determined by the

    • Options
    • A. polarimetry
    • B. flame photometry
    • C. emission spectroscopy
    • D. oscillometry
    • Discuss
    • 8. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

    • Options
    • A. 0-100
    • B. < 0
    • C. > 100.
    • D. > 50
    • Discuss
    • 9. Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

    • Options
    • A. no change
    • B. decrease
    • C. increase
    • D. exponential decrease
    • Discuss
    • 10. Specific gravity of a liquid can not be measured by a/an

    • Options
    • A. anemometer
    • B. specific gravity bottle
    • C. pycnometer
    • D. hydrometer
    • Discuss


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