Petroleum Refinery Engineering Objective Questions & Answers - ObjectiveBooks
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Petroleum Refinery Engineering Objective Questions & Answers

Practice Test: Question Set - 22

1. Which is the most desirable component of a good quality kerosene?
    (A) i-paraffins
    (B) Aromatics
    (C) n-paraffins
    (D) Naphthenes

2. Which one is preferred for aircraft engine?
    (A) High viscosity index lube oil
    (B) Low viscosity index lube oil
    (C) High freezing point aviation fuel
    (D) None of these

3. Petroleum is believed to have originated from __________ sources.
    (A) Vegetable
    (B) Animal
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

4. Octane numbers of motor gasoline used in India and America are respectively
    (A) 87 & 94
    (B) 94 & 87
    (C) 94 & 100
    (D) 83 & 100

5. The yield of straight run LPG from crude oil is about __________ weight percent.
    (A) 20-25
    (B) 1-1.5
    (C) 10-15
    (D) 0.1-0.2

6. Petroleum coke is used mainly in the
    (A) Discoloration of yellow glycerine
    (B) Sugar refining
    (C) Manufacture of carbon electrode
    (D) Blast furnace for reduction of iron ore

7. LSHS is a type of furnace oil, which
    (A) Is more viscous than high viscosity furnace oil (HVFO)
    (B) Stands for low sulphur heavy stock
    (C) Is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%)
    (D) All (a), (b) and (c)

8. Performance number of a liquid fuel is related to its
    (A) Wax content
    (B) Spontaneous ignition temperature
    (C) Knocking tendency
    (D) Sulphur content

9. Pick out the wrong statement.
    (A) Lower boiling paraffins have higher octane number than higher paraffins
    (B) Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process
    (C) The most ideal feedstock for thermal reforming is dearomatised kerosene
    (D) Catalyst used in catalytic reforming is platinum on silica-alumina base

10. Sulphuric acid treatment of petroleum products removes the __________ materials.
    (A) Gum forming
    (B) Color forming
    (C) Asphaltic
    (D) All (a), (b) & (c)

11. Doctor's solution used for sweetening of petroleum products is
    (A) Sodium plumbite
    (B) Sodium sulphite
    (C) Sodium thiosulphate
    (D) Lead sulphate

12. Mercapsol and Unisol processes are meant for the
    (A) Dearomatization of kerosene
    (B) Removal of mercaptans
    (C) Dewaxing
    (D) Decoloration

13. Petroleum deposits are detected by the.
    (A) Oil seepage at the surface of the earth
    (B) Measurement 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 (a), (b) and (c)

14. The doctor's solution comprises of sodium plumbite in
    (A) Alcohol
    (B) Water
    (C) Aqueous caustic soda
    (D) Soda ash

15. Petroleum coke is commercially produced by the __________ process.
    (A) Hydrocracking
    (B) Visbreaking
    (C) Fluid catalytic cracking
    (D) Delayed coking

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