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  • Question
  • LPG stands for


  • Options
  • A. liquid petroleum gas
  • B. liquified petrol gas
  • C. liquid petrol gas
  • D. liquefied petroleum gas

  • Correct Answer
  • liquefied petroleum gas 


  • Petroleum Refinery Engineering problems


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    • 1. Clay treatment of petroleum products

    • Options
    • A. decolorises & stabilises cracked gasoline.
    • B. desulphurise straight run gasoline & kerosene.
    • C. adsorb arsenic from feedstock to catalytic reforming.
    • D. all (a), (b) & (c).
    • Discuss
    • 2. Pour point of a petrofuel is

    • Options
    • A. multiple of 3°F.
    • B. multiple of 5°F.
    • C. 5°C below the temperature at which oil ceases to flow.
    • D. none of these.
    • Discuss
    • 3. Fuel oil is subjected to visbreaking to reduce its

    • Options
    • A. pour point
    • B. viscosity
    • C. pressure drop on pumping
    • D. all (a), (b) and (c)
    • Discuss
    • 4. Which is the most desirable component of a good quality kerosene?

    • Options
    • A. i-paraffins
    • B. Aromatics
    • C. n-paraffins
    • D. Naphthenes
    • Discuss
    • 5. Pick out the wrong statement.

    • Options
    • A. Aromatics have higher specific gravity than paraffins,
    • B. Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ?2) where, ? is the specific gravity of the fuel at 15.5°C.
    • C. Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
    • D. Higher specific gravity of petrofuels means higher C/H ratio.
    • Discuss
    • 6. The terminology used for the bottom most product from the vacuum crude distillation unit is

    • Options
    • A. residual crude
    • B. residuum
    • C. reduced crude
    • D. petrolatum
    • Discuss
    • 7. Which of the following petroleum products contain minimum sulphur?

    • Options
    • A. Naphtha
    • B. Kerosene
    • C. LSHS
    • D. Furnace oil
    • Discuss
    • 8. Molecular weight of petrol may be about

    • Options
    • A. 40-60
    • B. 100-130
    • C. 250-300
    • D. 350-400
    • Discuss
    • 9. In catalytic cracking, the

    • Options
    • A. gasoline obtained has a very low octane number.
    • B. pressure & temperature is very high.
    • C. gasoline obtained has very high aromatic content.
    • D. gasoline obtained has very high amount of gum forming compounds.
    • Discuss
    • 10. __________ base crude oil is also called asphaltic crude.

    • Options
    • A. Paraffinic
    • B. Naphthenic
    • C. Mixed
    • D. Aromatic
    • Discuss


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