Petroleum Refinery Engineering MCQ

Test your knowledge with important Petroleum Refinery Engineering MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Petroleum Refinery Engineering MCQs on Bissoy. Bissoy App

• Percentage of straight run gasoline in a typical crude oil may be around
  ক

  6

  খ

  18

  গ

  38

  ঘ

  52
• Most widely used solvent for dewaxing is
  ক

  Methyl-ethyl-ketone (MEK)

  খ

  Naphtha

  গ

  Petroleum ether

  ঘ

  Sodium plumbite
• Which of the following processes in oil refinery does not employ 'cracking'?
  ক

  Coking

  খ

  Visbreaking

  গ

  Pyrolysis

  ঘ

  None of these
• Naphtha yield in straight run distillation of crude oil may be about __________ percent.
  ক

  2

  খ

  6

  গ

  12

  ঘ

  18
• A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.
  ক

  4

  খ

  10

  গ

  18

  ঘ

  26
• A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
  ক

  8

  খ

  18

  গ

  28

  ঘ

  35
• Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
  ক

  1

  খ

  50

  গ

  5000

  ঘ

  10000
• Solvent used for dewaxing of petroleum products are
  ক

  Furfural

  খ

  Methyl ethyl ketone (MEK)

  গ

  Propane

  ঘ

  Both B & C
• Antioxidants are added in petrol to
  ক

  Impart colour to it, for easy identification

  খ

  Minimise the gum formation

  গ

  Prevent icing of the carburettor

  ঘ

  Prevent the lead build up in engines
• Smoke volatility index is equal to smoke point plus
  ক

  0.42 × (% distilled at 204°C)

  খ

  5 mm

  গ

  0.84 × (% distilled at 204°C)

  ঘ

  10 mm approximately
• Visbreaking
  ক

  Uses natural gas as feed

  খ

  Is carried out at atmospheric pressure

  গ

  Produces fuel oil of lower viscosity

  ঘ

  Produces gasoline only
• Electrical desalting of crude oil removes the __________ impurities.
  ক

  Oleophilic

  খ

  Oleophobic

  গ

  Both A & B

  ঘ

  Neither A nor B
• 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
  ক

  Elimination of solvent drying facility

  খ

  Higher nitration temperature

  গ

  Lower solvent dilution ratio

  ঘ

  All of the above
• The terminology used for the bottom most product from the vacuum crude distillation unit is
  ক

  Residual crude

  খ

  Residuum

  গ

  Reduced crude

  ঘ

  Petrolatum
• Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
  ক

  Waxes

  খ

  Mercaptans

  গ

  Asphalt

  ঘ

  Diolefins
• Catalyst used in catalytic reforming is
  ক

  Platinum on alumina

  খ

  Nickel

  গ

  Iron

  ঘ

  Aluminium chloride
• Concentration of H₂SO₄ catalyst in alkylation is kept between 90 - 98%, because H₂SO₄ having concentration
  ক

  Less than 90% promotes polymerisation

  খ

  More than 98% promotes cracking

  গ

  Both A & B

  ঘ

  Neither A nor B
• Aniline point of the diesel is a measure of its __________ content.
  ক

  Aromatic

  খ

  Paraffin

  গ

  Olefin

  ঘ

  Naphthene
• Maximum use of petroleum coke is in
  ক

  Adsorption refining operation

  খ

  Fuel gas manufacture

  গ

  Carbon electrode manufacture

  ঘ

  Iron ore reduction
• Petroleum coke is used mainly in the
  ক

  Discoloration of yellow glycerine

  খ

  Sugar refining

  গ

  Manufacture of carbon electrode

  ঘ

  Blast furnace for reduction of iron ore
• Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
  ক

  Modern theory

  খ

  Carbide theory

  গ

  Engler theory

  ঘ

  All of the above
• The coking process normally mostly used in Indian oil refineries is the __________ coking process.
  ক

  Delayed

  খ

  Flexi

  গ

  Fluid

  ঘ

  Contact
• Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
  ক

  One fourth

  খ

  One third

  গ

  Half

  ঘ

  One eighth
• Which of the following is the most suitable feed for platforming process (reforming)?
  ক

  Olefinic hydrocarbon

  খ

  Naphtha

  গ

  Fuel oil

  ঘ

  Atmospheric residue
• Which of the following is the most important property for a jet fuel?
  ক

  Cloud point

  খ

  Pour point

  গ

  Colour

  ঘ

  Freezing point
• Pick out the correct statement pertaining to catalytic cracking.
  ক

  With increase in the reactor pressure, octane number of gasoline decreases

  খ

  With increase in the reactor temperature, gasoline yield decreases for a given conversion

  গ

  Percentage conversion increases with increase in the catalyst to oil ratio

  ঘ

  All of the above
• Catalyst used in the isomerisation is
  ক

  Aluminium chloride

  খ

  Alumina

  গ

  Nickel

  ঘ

  Phosphoric acid
• High aniline point of diesel indicates that, it
  ক

  Is highly aromatic

  খ

  Has a large ignition delay

  গ

  Is highly paraffinic

  ঘ

  Has a low diesel index
• Which is the most desirable component of a good quality kerosene?
  ক

  I-paraffins

  খ

  Aromatics

  গ

  N-paraffins

  ঘ

  Naphthenes
• Hydrofining is the most recent and effective method for the
  ক

  Removal of sulphur

  খ

  Improvement of smoke point

  গ

  Reduction of breathing loss

  ঘ

  Improvement of viscosity index