Patroleum Refinary Engineering MCQs with answers Page - 3

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Q. Which of the following is a non-regenerative fixed bed catalytic reforming process?

  • (A) Hydroforming
  • (B) Thermofer catalytic reforming
  • (C) Platforming
  • (D) Hyperforming

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Q. In case of liquid petrofuels, momentary combustion is observed at its

  • (A) Flash point
  • (B) Preheating temperature corresponding to viscosity of 25 centistokes
  • (C) Flame temperature
  • (D) Fire point

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Q. Molecular weight of crude petroleum may be around

  • (A) 50
  • (B) 250
  • (C) 1500
  • (D) 5000

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Q. With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

  • (A) Decreases
  • (B) Increases
  • (C) Remains same
  • (D) Unpredictable from the data

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Q. Petroleum deposits are detected by the

  • (A) Oil seepage at the surface of the earth
  • (B) Measuremet of density, elasticity and magnetic & electric properties of the rock in the crust of the earth
  • (C) Age & nature of rocks inside the crust of the earth
  • (D) All of the above

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Q. Gum formation in stored gasoline is mainly due to the

  • (A) Alkylation of unsaturates
  • (B) Presence of sulphur
  • (C) Oxidation & polymerisation of unsaturates
  • (D) Higher aromatic content

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Q. Which of the following gasolines (unleaded) has the least octane number?

  • (A) Catalytically cracked gasoline
  • (B) Catalytically reformed gasoline
  • (C) Straight run gasoline
  • (D) Polymer gasoline

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Q. Octane number of gasoline produced by two stage fluidised catalytic cracking process is

  • (A) 80
  • (B) 87
  • (C) 92
  • (D) 97

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Q. The characterisation factor of crude petroleum oil is around

  • (A) 3
  • (B) 11
  • (C) 22
  • (D) 28

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Q. Good quality kerosene should have

  • (A) Low smoke point
  • (B) High smoke point
  • (C) High aromatics content
  • (D) Low paraffins content

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