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  • Question
  • Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.


  • Options
  • A. unsaturated hydrocarbon content
  • B. calorific value
  • C. quantity of propane
  • D. quantity of butane

  • Correct Answer
  • calorific value 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. "Breathing loss" on storage of gasoline occurs due to the

    • Options
    • A. presence of unsaturated air.
    • B. fluctuation of ambient temperature during day and night.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss
    • 2. Liquefied Petroleum Gas (LPG) is mainly a mixture of

    • Options
    • A. propane & butane
    • B. methane & ethane
    • C. high boiling olefins
    • D. high boiling naphthenes
    • Discuss
    • 3. Road grade bitumen is produced from vacuum residue by its

    • Options
    • A. aeration
    • B. pyrolysis
    • C. hydrogenation
    • D. steam reforming
    • Discuss
    • 4. Catalyst used in alkylation process is

    • Options
    • A. sulphuric acid
    • B. nickel
    • C. silica gel
    • D. alumina
    • Discuss
    • 5. Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.

    • Options
    • A. smoke point
    • B. octane number
    • C. cetane number
    • D. viscosity
    • Discuss
    • 6. Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.

    • Options
    • A. 1 to 5
    • B. 30 to 80
    • C. 250 to 350
    • D. 450 to 500
    • Discuss
    • 7. Which of the following fractions of petroleum contains maximum sulphur?

    • Options
    • A. Diesel
    • B. Gasoline
    • C. Naphtha
    • D. Atmospheric residue
    • Discuss
    • 8. Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).

    • Options
    • A. one fourth
    • B. one third
    • C. half
    • D. one eighth
    • Discuss
    • 9. Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).

    • Options
    • A. 5-10
    • B. 30-80
    • C. 150-250
    • D. 350-400
    • Discuss
    • 10. Octane number (unleaded) of reformed gasoline may be upto

    • Options
    • A. 60
    • B. 70
    • C. 80
    • D. 90
    • Discuss


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