Petroleum Engineering Question:

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__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.

A. Acid
B. Solvent extraction
C. Alkali
D. Clay

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option B

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Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has

A. high pour point and low smoke point.
B. low viscosity index.
C. high self-ingnition temperature.
D. all (a), (b) and.(c).		Water content in the crude oil as it comes out of oil well may be upto __________ percent.

A. 2
B. 5
C. 10
D. 25