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Petroleum Refinery Engineering problems

  • 1. Naphthenic acid is represented by

  • Options
  • A. CnH2n+2O2
  • B. CnH2n-2O2
  • C. CnH2n+2O2 (n ? 6)
  • D. CnH2n+6O2 (n ? 6)
    • Discuss
  • 2. 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
  • 3. 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
  • 4. Which of the following contains maximum sulphur?

  • Options
  • A. Diesel
  • B. Petrol
  • C. Kerosene
  • D. Fuel oil
    • Discuss
  • 5. 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
  • 6. Aniline point of the diesel is a measure of its __________ content.

  • Options
  • A. aromatic
  • B. paraffin
  • C. olefin
  • D. naphthene
    • Discuss
  • 7. Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.

  • Options
  • A. 1
  • B. 5
  • C. 15
  • D. 25
    • Discuss
  • 8. Choose the correct statement.

  • Options
  • A. Coking tendency increases with increasing molecular weight.
  • B. Coking tendency decreases with increasing molecular weight.
  • C. Higher pressure enhances coke formation.
  • D. Coking is an exothermic reaction.
    • Discuss
  • 9. Which of the following additives improves the cetane number of diesel?

  • Options
  • A. Amyl nitrate
  • B. Ethyl mercaptan
  • C. Napthenic acid
  • D. Tetra ethyl lead
    • Discuss
  • 10. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg.

  • Options
  • A. 600-750
  • B. 250-350
  • C. 1000-1500
  • D. 2000-2500
    • Discuss

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