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MCQs

Total Questions : 1622 | Page 11 of 163 pages
Question 101. Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
  1.    Modern theory
  2.    Carbide theory
  3.    Engler theory
  4.    All of the above
 Discuss Question
Answer: Option B. -> Carbide theory
Question 102. Petroleum coke is used mainly in the
  1.    Discoloration of yellow glycerine
  2.    Sugar refining
  3.    Manufacture of carbon electrode
  4.    Blast furnace for reduction of iron ore
 Discuss Question
Answer: Option C. -> Manufacture of carbon electrode
Question 103. Aniline point of the diesel is a measure of its __________ content.
  1.    Aromatic
  2.    Paraffin
  3.    Olefin
  4.    Naphthene
 Discuss Question
Answer: Option B. -> Paraffin
Question 104. Maximum use of petroleum coke is in
  1.    Adsorption refining operation
  2.    Fuel gas manufacture
  3.    Carbon electrode manufacture
  4.    Iron ore reduction
 Discuss Question
Answer: Option C. -> Carbon electrode manufacture
Question 105. Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration
  1.    Less than 90% promotes polymerisation
  2.    More than 98% promotes cracking
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option C. -> Both A & B
Question 106. Catalyst used in catalytic reforming is
  1.    Platinum on alumina
  2.    Nickel
  3.    Iron
  4.    Aluminium chloride
 Discuss Question
Answer: Option A. -> Platinum on alumina
Question 107. Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
  1.    Waxes
  2.    Mercaptans
  3.    Asphalt
  4.    Diolefins
 Discuss Question
Answer: Option B. -> Mercaptans
Question 108. The terminology used for the bottom most product from the vacuum crude distillation unit is
  1.    Residual crude
  2.    Residuum
  3.    Reduced crude
  4.    Petrolatum
 Discuss Question
Answer: Option B. -> Residuum
Question 109. Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
  1.    Elimination of solvent drying facility
  2.    Higher nitration temperature
  3.    Lower solvent dilution ratio
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 110. Electrical desalting of crude oil removes the __________ impurities.
  1.    Oleophilic
  2.    Oleophobic
  3.    Both A & B
  4.    Neither A nor B
 Discuss Question
Answer: Option B. -> Oleophobic

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