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Total Questions : 1622 | Page 1 of 163 pages
Question 1. Natural gasoline is produced
  1.    From oil wells
  2.    In oil refineries
  3.    By natural gas stripping
  4.    None of these
 Discuss Question
Answer: Option C. -> By natural gas stripping
Question 2. Pour point and freezing point is equal for
  1.    Petrol
  2.    Diesel
  3.    Water
  4.    Crude petroleum
 Discuss Question
Answer: Option C. -> Water
Question 3. The general formula of naphthenes is
  1.    CnH2n + 2
  2.    CnH2n - 6 (where, n ≥ 6)
  3.    CnHn - 4
  4.    Same as that for olefins i.e. CnH2n
 Discuss Question
Answer: Option D. -> Same as that for olefins i.e. CnH2n
Question 4. Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.
  1.    Electric immersion
  2.    Pipestill
  3.    Steam coil
  4.    None of these
 Discuss Question
Answer: Option B. -> Pipestill
Question 5. Casing head gasoline is the liquid
  1.    Butane
  2.    Propane
  3.    Natural gas
  4.    Gasoline separated from wet natural gas by compression
 Discuss Question
Answer: Option A. -> Butane
Question 6. Which of the following is the most widely used cracking process in oil refineries?
  1.    Dubbs process
  2.    T.C.C. moving bed process
  3.    Fluidised bed catalytic cracking process
  4.    Houdry's fixed bed process
 Discuss Question
Answer: Option C. -> Fluidised bed catalytic cracking process
Question 7. Which of the following tests is not done for transformer oil?
  1.    Flash point and acid value
  2.    Aniline point
  3.    Dielectric strength
  4.    Copper strip corrosion test
 Discuss Question
Answer: Option B. -> Aniline point
Question 8. Aniline point is the temperature at which
  1.    Equal weight of diesel & the aniline are completely miscible
  2.    Equal weight of aniline & the test sample are completely miscible
  3.    Equal volume of aniline & the test sample are completely miscible
  4.    Aniline vaporises
 Discuss Question
Answer: Option C. -> Equal volume of aniline & the test sample are completely miscible
Question 9. Choose the correct statement regarding thermal cracking.
  1.    Moderate changes in operating temperature does not change the depth of cracking
  2.    Increased residence time results in the decreased severity of cracking
  3.    At low pressure, the yield of lighter hydrocarbons are more
  4.    Greater depth of cracking gives lower octane number gasoline
 Discuss Question
Answer: Option D. -> Greater depth of cracking gives lower octane number gasoline
Question 10. Solvent used in Edeleanu process is
  1.    Furfural
  2.    Propane
  3.    Liquid SO₂
  4.    Phenol
 Discuss Question
Answer: Option C. -> Liquid SO₂

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