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MCQs

Total Questions : 1622 | Page 20 of 163 pages
Question 191. Reid vapour pressure of gasoline is the measure of its
  1.    Pour point
  2.    Cloud point
  3.    Vapour locking tendency
  4.    Carbon residue
 Discuss Question
Answer: Option C. -> Vapour locking tendency
Question 192. Which of the following has maximum hydrogen/carbon ratio (by weight)?
  1.    Naphtha
  2.    Gasoline
  3.    Diesel
  4.    Fuel oil
 Discuss Question
Answer: Option B. -> Gasoline
Question 193. Waxy crudes are treated with chemical additives mainly to
  1.    Depress its pour point
  2.    Dissolve wax
  3.    Precipitate wax
  4.    Remove wax
 Discuss Question
Answer: Option A. -> Depress its pour point
Question 194. Catalyst used in catalytic polymerisation which produces polymer gasoline is
  1.    H₂SO₄
  2.    H₃PO₄
  3.    Both A & B
  4.    AlCl3
 Discuss Question
Answer: Option C. -> Both A & B
Question 195. Diesel used in naval applications has a minimum cetane number of
  1.    25
  2.    35
  3.    45
  4.    65
 Discuss Question
Answer: Option C. -> 45
Question 196. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
  1.    Paraffins
  2.    Naphthenes
  3.    Aromatics
  4.    Iso-paraffins
 Discuss Question
Answer: Option A. -> Paraffins
Question 197. Which of the following has the lowest cetane number?
  1.    Aromatics
  2.    I-paraffins
  3.    Naphthene
  4.    Olefins
 Discuss Question
Answer: Option A. -> Aromatics
Question 198. Catalyst used in the catalytic polymerisation is
  1.    Phosphoric acid on kieselghur
  2.    Aluminium chloride
  3.    Nickel
  4.    Vanadium pentaoxide
 Discuss Question
Answer: Option A. -> Phosphoric acid on kieselghur
Question 199. Which parameter is used for the grading of paraffin waxes?
  1.    Specific gravity
  2.    Melting point
  3.    Viscosity
  4.    Penetration number
 Discuss Question
Answer: Option C. -> Viscosity
Question 200. __________ is not an important refinery process for upgrading the quality of lubricating oil.
  1.    Deoiling
  2.    Solvent refinning
  3.    Clay treatment
  4.    Hydrotreatment
 Discuss Question
Answer: Option A. -> Deoiling

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