Petroleum Refinery Engineering Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? Vacuum residue Light gas oil Diesel Naphtha Vacuum residue Light gas oil Diesel Naphtha ANSWER DOWNLOAD EXAMIANS APP
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 Coking Discoloration Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is almost absent in crude petroleum? Cycloparaffins Olefins Mercaptans Naphthenes Cycloparaffins Olefins Mercaptans Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The order of preference for feedstock to a catalytic reformer is Virgin naphtha - catalytic naphtha - coking naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - coking naphtha - catalytic naphtha Catalytic naphtha - coking naphtha - virgin naphtha Virgin naphtha - catalytic naphtha - coking naphtha Coking naphtha - virgin naphtha - catalytic naphtha Virgin naphtha - coking naphtha - catalytic naphtha Catalytic naphtha - coking naphtha - virgin naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products Decreases Remains same Unpredictable from the data Increases Decreases Remains same Unpredictable from the data Increases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 200-300 10 100 1000-10000 200-300 10 100 1000-10000 ANSWER DOWNLOAD EXAMIANS APP
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