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  • Question
  • Aromatics are desired constituents of


  • Options
  • A. lubricating oil
  • B. diesel
  • C. kerosene
  • D. petrol

  • Correct Answer
  • petrol 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. The main aim of cracking is to produce

    • Options
    • A. gasoline
    • B. lube oil
    • C. petrolatum
    • D. coke
    • Discuss
    • 2. Tetra-ethyl lead is added in gasoline to

    • Options
    • A. increase its smoke point.
    • B. reduce gum formation.
    • C. reduce the pour point.
    • D. increase its octane number.
    • Discuss
    • 3. The order of preference for feedstock to a catalytic reformer is

    • Options
    • A. catalytic naphtha - coking naphtha - virgin naphtha.
    • B. coking naphtha - virgin naphtha - catalytic naphtha.
    • C. virgin naphtha - catalytic naphtha - coking naphtha.
    • D. virgin naphtha - coking naphtha - catalytic naphtha.
    • Discuss
    • 4. Which of the following has the highest flash point of all?

    • Options
    • A. Diesel
    • B. Kerosene
    • C. Petrol
    • D. Furnace oil
    • Discuss
    • 5. With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

    • Options
    • A. decreases
    • B. increases
    • C. remains same
    • D. unpredictable from the data
    • Discuss
    • 6. The characterisation factor of crude petroleum oil is around

    • Options
    • A. 3
    • B. 11
    • C. 22
    • D. 28
    • Discuss
    • 7. Catalyst used in the catalytic polymerisation is

    • Options
    • A. phosphoric acid on kieselghur
    • B. aluminium chloride
    • C. nickel
    • D. vanadium pentaoxide
    • Discuss
    • 8. Cetane number of alpha methyl naphthalene is assumed to be

    • Options
    • A. 0
    • B. 100
    • C. 50
    • D. ?
    • Discuss
    • 9. LPG when brought to atmospheric pressure & temperature will be a

    • Options
    • A. liquid lighter than water.
    • B. liquid heavier than water.
    • C. gas lighter than air.
    • D. gas heavier than air.
    • Discuss
    • 10. Sour crude means the __________ bearing crude.

    • Options
    • A. asphalt
    • B. sulphur compounds
    • C. wax
    • D. nitrogen compounds
    • Discuss


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