Petroleum Refining Engineering Multiple Choice Questions - Set 11 - ObjectiveBooks
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Petroleum Refining Engineering Multiple Choice Questions - Set 11

Practice Test: Question Set - 11


1. The main use of heavy gas oil produced by the vacuum distillation unit is as a
    (A) Blending component for kerosene
    (B) Blending component for petrol
    (C) Feedstock for fluid catalytic cracking unit
    (D) None of these

2. Water separometer index (modified) (WSIM) of a petrofuel is the measure of its
    (A) Emulsification tendency
    (B) Water separation characteristics
    (C) Water content
    (D) Water absorbing capacity from atmosphere

3. Butadiene is a/an
    (A) Di-olefin
    (B) Naphthene
    (C) Aromatic
    (D) Olefin

4. Sweetening of petroleum product means the removal of
    (A) Sulphur & its compounds
    (B) Water
    (C) Organic impurities
    (D) Wax

5. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.
    (A) Black
    (B) White
    (C) Red
    (D) Yellow

6. Aniline point of high speed diesel may be about __________ °C.
    (A) 35
    (B) 70
    (C) 105
    (D) 150

7. Which one is used to determine the color of petroleum products?
    (A) Color comparator
    (B) Saybolt chromometer
    (C) Cleveland apparatus
    (D) None of these

8. Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
    (A) Modern theory
    (B) Carbide theory
    (C) Engler theory
    (D) All (a), (b) and (c)

9. True boiling point apparatus is used for the
    (A) Determination of characterization factor
    (B) Evaluation of oil stocks
    (C) Determination of true vapor pressure
    (D) None of these

10. Which of the following gasoline (unleaded) has the least octane number?
    (A) Catalytically cracked gasoline
    (B) Straight run gasoline
    (C) Catalytically reformed gasoline
    (D) Polymer gasoline

11. Sulphur content in lighter and heavier petroleum products is generally determined respectively by
    (A) Lamp method and bomb method
    (B) Bomb method and lamp method
    (C) Bomb method and quartz tube method
    (D) Quartz tube method and lamp method

12. A multigrade lubricating oil means an oil having high
    (A) Viscosity index
    (B) Viscosity
    (C) Aniline point
    (D) Flash point

13. The octane number of aviation gasoline may be
    (A) 79
    (B) 87
    (C) 97
    (D) > 100

14. Octane number (unleaded) of reformed gasoline may be upto
    (A) 60
    (B) 70
    (C) 80
    (D) 90

15. Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is __________ the room temperature.
    (A) More than
    (B) Less than
    (C) Same as
    (D) Either more or less; depends on the room temperature

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