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  • Question
  • Carbon/hydrogen ratio (by weight) is maximum (out of following) for


  • Options
  • A. gasoline
  • B. kerosene
  • C. light gas oil
  • D. heavy fuel oil

  • Correct Answer
  • gasoline 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Smoke point of kerosene expresses its

    • Options
    • A. burning characteristics.
    • B. luminosity characteristics.
    • C. aromatic content directly.
    • D. lamp wick wetting characteristics.
    • Discuss
    • 2. Isomerisation converts the __________ tot-paraffins.

    • Options
    • A. paraffins
    • B. olefins
    • C. naphthenes
    • D. none of these
    • Discuss
    • 3. Aniline point test of an oil qualitatively indicates the __________ content of an oil.

    • Options
    • A. paraffin
    • B. olefin
    • C. aromatic
    • D. naphthene
    • Discuss
    • 4. Catalyst used in the catalytic cracking is

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

    • Options
    • A. reduced crude
    • B. heavy ends
    • C. asphalt
    • D. residuum
    • Discuss
    • 6. With increase in density, the viscosity of petroleum products

    • Options
    • A. increases
    • B. decreases
    • C. remains same
    • D. either (a) or (b)
    • Discuss
    • 7. 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
    • 8. Which of the following has the highest octane number?

    • Options
    • A. Aromatics
    • B. i-paraffins
    • C. Naphthenes
    • D. Olefins
    • E. n-paraffins
    • Discuss
    • 9. Cetane number of high speed diesel must be ?

    • Options
    • A. 30
    • B. 45
    • C. 75
    • D. 95
    • Discuss
    • 10. Specific gravity of a petroleum product gives an indication of its

    • Options
    • A. degree of refinement.
    • B. hydrocarbon content type (aromatic or paraffinic).
    • C. ease of atomisation.
    • D. sulphur content.
    • Discuss


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