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  • Question
  • Naphthenic acid is represented by


  • Options
  • A. CnH2n+2O2
  • B. CnH2n-2O2
  • C. CnH2n+2O2 (n ? 6)
  • D. CnH2n+6O2 (n ? 6)

  • Correct Answer
  • CnH2n-2O2 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Boiling range of motor gasoline is an indication of the

    • Options
    • A. case of starting
    • B. rate of acceleration
    • C. vapour locking tendency
    • D. all (a), (b) and (c)
    • Discuss
    • 2. Which of the following is the most suitable feed for platforming process (reforming)?

    • Options
    • A. Olefinic hydrocarbon
    • B. Naphtha
    • C. Fuel oil
    • D. Atmospheric residue
    • Discuss
    • 3. Smoke point of kerosene is the

    • Options
    • A. time after which smoking starts on burning.
    • B. temperature at which smoking starts.
    • C. maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp.
    • D. none of these.
    • Discuss
    • 4. Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?

    • Options
    • A. Naphtha
    • B. Vacuum residue
    • C. Light gas oil
    • D. Diesel
    • Discuss
    • 5. Carbon percentage (by weight) in crude petroleum may be about

    • Options
    • A. 65
    • B. 75
    • C. 85
    • D. 95
    • Discuss
    • 6. Reid vapour pressure of gasoline is the measure of its

    • Options
    • A. pour point
    • B. cloud point
    • C. vapour locking tendency
    • D. carbon residue
    • Discuss
    • 7. Diesel index is defined as

    • Options
    • A. (°API) x (Aniline Point, °F)/100
    • B. (°API) x (Aniline Point, °C)/100
    • C. (°API) x (100)/Aniline Point, °F
    • D. (°API) x (100)/Aniline Point, °C
    • Discuss
    • 8. Which of the following contains maximum sulphur?

    • Options
    • A. Diesel
    • B. Petrol
    • C. Kerosene
    • D. Fuel oil
    • Discuss
    • 9. The condesate obtained on compression of wet natural gas is termed as

    • Options
    • A. liquefied natural gasoline
    • B. natural gasoline
    • C. liquid natural gas
    • D. none of these
    • Discuss
    • 10. Aniline point of the diesel is a measure of its __________ content.

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


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