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MCQs

Total Questions : 1622 | Page 14 of 163 pages
Question 131. Catalyst used in the catalytic cracking is
  1.    Silica-alumina
  2.    Silica gel
  3.    Vanadium pentoxide
  4.    Nickel
 Discuss Question
Answer: Option A. -> Silica-alumina
Question 132. Naphthenic acid is a/an __________ compound.
  1.    Sulphur
  2.    Nitrogen
  3.    Oxygen
  4.    None of these
 Discuss Question
Answer: Option C. -> Oxygen
Question 133. Good quality kerosene should have
  1.    Low smoke point
  2.    High smoke point
  3.    High aromatics content
  4.    Low paraffins content
 Discuss Question
Answer: Option B. -> High smoke point
Question 134. Pick out the wrong statement.
  1.    Higher specific gravity of petroleum products means higher C/H ratio
  2.    Aromatics have lower specific gravity than corresponding paraffins
  3.    Hydrocarbons of low specific gravity (e.g, paraffins) possess the maximum thermal energy per unit volume
  4.    Hydrocarbons of high specific gravity (eg, aromatics) possess the maximum thermal energy per unit weight
 Discuss Question
Answer: Option B. -> Aromatics have lower specific gravity than corresponding paraffins
Question 135. Crude oil is transported inland from oil field to refineries, mainly by the
  1.    Road tankers
  2.    Rail tankers
  3.    Underground pipelines
  4.    None of these
 Discuss Question
Answer: Option C. -> Underground pipelines
Question 136. Fuel oil is subjected to visbreaking to reduce its
  1.    Pour point
  2.    Viscosity
  3.    Pressure drop on pumping
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 137. The most suitable solvent for deasphalting vacuum residue is
  1.    Propane
  2.    Methyl ethyl ketone
  3.    Doctor's solution
  4.    Methanol amine
 Discuss Question
Answer: Option B. -> Methyl ethyl ketone
Question 138. Deoiling of wax is done by its
  1.    Heating
  2.    Cooling
  3.    Solvent extraction
  4.    Both B & C
 Discuss Question
Answer: Option D. -> Both B & C
Question 139. The proper arrangement of the petroleum fractions in order of their boiling points is
  1.    Lubricating oil > diesel > petrol > LPG
  2.    Lubricating oil > petrol > diesel > LPG
  3.    Petrol > lubricating oil > diesel > LPG
  4.    Petrol > diesel > LPG > lubricating oil
 Discuss Question
Answer: Option A. -> Lubricating oil > diesel > petrol > LPG
Question 140. Furfural solvent extraction is used for upgrading (by dissolving aromatics)
  1.    Naphtha
  2.    Lubricating oils
  3.    Wax
  4.    Cracking feedstock
 Discuss Question
Answer: Option B. -> Lubricating oils

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