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MCQs

Total Questions : 1622 | Page 19 of 163 pages
Question 181. Octane number of gasoline is a measure of its
  1.    Resistance to knock
  2.    Ignition delay
  3.    Ignition temperature
  4.    Smoke point
 Discuss Question
Answer: Option A. -> Resistance to knock
Question 182. In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
  1.    Catalytic cracking
  2.    Catalytic reforming
  3.    Hydrotreating
  4.    Alkylation
 Discuss Question
Answer: Option B. -> Catalytic reforming
Question 183. Illuminating characteristics of kerosene is expressed by its
  1.    Smoke point
  2.    Aniline point
  3.    Luminosity number
  4.    Aromatic content
 Discuss Question
Answer: Option C. -> Luminosity number
Question 184. Increase in the specific gravity of petroleum products indicates
  1.    Decrease in paraffin content
  2.    Increase in thermal energy per unit weight
  3.    Increase in aromatic content
  4.    Higher H/C ratio
 Discuss Question
Answer: Option A. -> Decrease in paraffin content
Question 185. The condesate obtained on compression of wet natural gas is termed as
  1.    Liquefied natural gasoline
  2.    Natural gasoline
  3.    Liquid natural gas
  4.    None of these
 Discuss Question
Answer: Option B. -> Natural gasoline
Question 186. An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
  1.    5
  2.    15
  3.    40
  4.    60
 Discuss Question
Answer: Option C. -> 40
Question 187. The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
  1.    10 and 120
  2.    1 and 200
  3.    50 and 250
  4.    10 and 300
 Discuss Question
Answer: Option B. -> 1 and 200
Question 188. Which of the following has the highest gum forming tendency in gosoline?
  1.    Paraffins
  2.    Diolefins
  3.    Aromatics
  4.    Naphthenes
 Discuss Question
Answer: Option B. -> Diolefins
Question 189. Highest quality bitumen is produced from the __________ crude oil.
  1.    Paraffinic
  2.    Naphthenic
  3.    Intermediate
  4.    Mixed
 Discuss Question
Answer: Option B. -> Naphthenic
Question 190. A multigrade lubricating oil means an oil having high
  1.    Viscosity index
  2.    Viscosity
  3.    Aniline point
  4.    Flash point
 Discuss Question
Answer: Option A. -> Viscosity index

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