Patroleum Refinary Engineering MCQs with answers Page - 2

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A

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Q. Which of the following is used as a catalyst in fluidised bed catalytic cracking?

  • (A) Silica-magnesia
  • (B) Silica-alumina
  • (C) Bentonite clays
  • (D) All of the above

A

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Q. Operating condition in the electrical dehydrators for crude oil is about

  • (A) 6.5 kgf/cm2 & 95°C
  • (B) 1 atm & 110°C
  • (C) 20 kgf/cm2 & 110°C
  • (D) 50 atm and 150°C

A

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Q. Flash point of diesel/kerosene (>50°C) is determined by the

  • (A) Abel apparatus
  • (B) Pensky-Martens apparatus
  • (C) Saybolt chromometer
  • (D) None of these

A

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Q. Which of the following has the highest flash point of all?

  • (A) Diesel
  • (B) Kerosene
  • (C) Petrol
  • (D) Furnace oil

A

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Q. Detergent is added as an additive in engine lubricating oil to

  • (A) Reduce deposit formation
  • (B) Keep contaminants in suspension
  • (C) Increase oxidation stability
  • (D) Prevent rusting

A

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Q. Quinoline is a/an __________ compound.

  • (A) Sulphur
  • (B) Nitrogen
  • (C) Oxygen
  • (D) None of these

A

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Q. Which of the following has the maximum °API gravity of all?

  • (A) Diesel
  • (B) Kerosene
  • (C) Petrol
  • (D) Furnace oil

A

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Q. Flash point of motor gasoline may be around __________ °C.

  • (A) 10
  • (B) 45
  • (C) 100
  • (D) 150

A

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Q. Smoke point of a good burning kerosene may be around __________ mm.

  • (A) 0-5
  • (B) 20-25
  • (C) 60-75
  • (D) 100-120

A

Admin • 828.03K Points
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Q. Which of the following has the minimum °API gravity of all?

  • (A) Diesel
  • (B) Kerosene
  • (C) Petrol
  • (D) Furnace oil

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