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  • Question
  • Aniline point test of an oil qualitatively indicates the __________ content of an oil.


  • Options
  • A. paraffin
  • B. olefin
  • C. aromatic
  • D. naphthene

  • Correct Answer
  • aromatic 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Catalyst used in the catalytic cracking is

    • Options
    • A. silica-alumina
    • B. silica gel
    • C. vanadium pentoxide
    • D. nickel
    • Discuss
    • 2. Bottom product of atmospheric pressure crude oil distillation column is termed as

    • Options
    • A. reduced crude
    • B. heavy ends
    • C. asphalt
    • D. residuum
    • Discuss
    • 3. Crude oil is subjected to vacuum distillation in the last stage, because

    • Options
    • A. high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.
    • B. lighter/low boiling products are prone to thermal decomposition.
    • C. high purity products can be obtained thereby.
    • D. none of these.
    • Discuss
    • 4. Which of the following is used as a solvent in deasphalting of petroleum products?

    • Options
    • A. Furfural
    • B. Propane
    • C. Methyl ethyl ketone
    • D. Liquid sulphur dioxide
    • Discuss
    • 5. Doctor's solution used for sweetening of petroleum products is

    • Options
    • A. sodium plumbite
    • B. sodium sulphite
    • C. sodium thiosulphate
    • D. lead sulphate
    • Discuss
    • 6. Isomerisation converts the __________ tot-paraffins.

    • Options
    • A. paraffins
    • B. olefins
    • C. naphthenes
    • D. none of these
    • Discuss
    • 7. Smoke point of kerosene expresses its

    • Options
    • A. burning characteristics.
    • B. luminosity characteristics.
    • C. aromatic content directly.
    • D. lamp wick wetting characteristics.
    • Discuss
    • 8. Carbon/hydrogen ratio (by weight) is maximum (out of following) for

    • Options
    • A. gasoline
    • B. kerosene
    • C. light gas oil
    • D. heavy fuel oil
    • Discuss
    • 9. With increase in density, the viscosity of petroleum products

    • Options
    • A. increases
    • B. decreases
    • C. remains same
    • D. either (a) or (b)
    • Discuss
    • 10. LSHS is a type of furnace oil, which

    • Options
    • A. is more viscous than high viscosity furnace oil (HVFO).
    • B. stands for low sulphur heavy stock.
    • C. is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%).
    • D. all (a), (b) and (c).
    • Discuss


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