Petroleum Engineering Question:

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Clay treatment is used to remove

A. salt from the crude oil.
B. colour & dissolved gases from cracked gasoline.
C. wax from lube oil.
D. none of these.

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option C

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Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).

A. 0.03
B. 3
C. 35
D. 70		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.