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Petroleum Engineering Interview Test
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Petroleum Engineering Interview Test
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25 Questions

1. A multi grade lubricating oil means an oil having high
2. Octane numbers of motor gasoline used in India and America are respectively
3. In catalytic alkylation, higher iso-butane to olefin ratio gives
4. Petroleum coke is used mainly .in the
5. Reid vapour pressure of gasoline is the measure of its
6. Pyrolysis of kerosene or natural gasoline is done to produce mainly the
7. Solvent used in Edeleanu process is
8. Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.
9. Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
10. Pick out the wrong statement.
11. Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
12. Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
13. Alkylation
14. Most widely used solvent for dewaxing is
15. Road grade bitumen is produced from vacuum residue by its
16. Polymerization
17. Diesel index is defined as
18. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2.
19. Research octane number refers to the
20. Higher vapour pressure of gasoline indicates
21. Reforming
22. __________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
23. Which of the following factors does not govern the mechanism of petroleum formation from organic sources?
24. In case of liquid petrofuels, momentary combustion is observed at its
25. Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has

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