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
Next Tests: