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March 2019

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

Petroleum Refinery Engineering /
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

Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________________ ptb (pounds per thousand barrel) ? Read More »

Petroleum Refinery Engineering

Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas?

Petroleum Refinery Engineering /
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas?

A. Unsaturated hydrocarbon content
B. Calorific value
C. Quantity of propane
D. Quantity of butane

Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas? Read More »

Petroleum Refinery Engineering

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

Petroleum Refinery Engineering /
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________?

A. Thermal cracking
B. Gum formation
C. Coking
D. Discoloration

Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of ____________________? Read More »

Petroleum Refinery Engineering

Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?

Petroleum Refinery Engineering /
Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?

A. Dehydrogenation of Naphthene
B. Dehydrogenation of lower paraffins
C. Dehydrocyclization of higher paraffins
D. Isomerisation of paraffins

Which of the following reactions is undesirable in the production of catalytically reformed gasoline ? Read More »

Petroleum Refinery Engineering