logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Petroleum Refinery Engineering Comments

  • Question
  • Liquefied Petroleum Gas (LPG) is mainly a mixture of


  • Options
  • A. propane & butane
  • B. methane & ethane
  • C. high boiling olefins
  • D. high boiling naphthenes

  • Correct Answer
  • propane & butane 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Road grade bitumen is produced from vacuum residue by its

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

    • Options
    • A. sulphuric acid
    • B. nickel
    • C. silica gel
    • D. alumina
    • Discuss
    • 3. 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
    • 4. Higher vapour pressure of gasoline indicates

    • Options
    • A. low flash point
    • B. high breathing loss
    • C. both (a) and (b)
    • D. neither (a) nor (b)
    • Discuss
    • 5. Pyrolysis of kerosene or natural gasoline is done to produce mainly the

    • Options
    • A. olefins and aromatics
    • B. lighter paraffins
    • C. stabilised gasoline
    • D. diesel
    • Discuss
    • 6. "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
    • 7. 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
    • Discuss
    • 8. 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
    • 9. Which of the following fractions of petroleum contains maximum sulphur?

    • Options
    • A. Diesel
    • B. Gasoline
    • C. Naphtha
    • D. Atmospheric residue
    • Discuss
    • 10. 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


    Comments

    There are no comments.

Enter a new Comment