Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Modern theory Engler theory Carbide theory All of these Modern theory Engler theory Carbide theory All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure Higher acid number Higher flash point and fire point Lower flash point and fire point Lower Reid vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Thermofer catalytic cracking process is a __________ process. Non-catalytic Fluidised bed Fixed bed Moving bed Non-catalytic Fluidised bed Fixed bed Moving bed ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 200-300 100 10 1000-10000 200-300 100 10 1000-10000 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The yield of straight run LPG from crude oil is about __________ weight percent. 0.1-0.2 1-1.5 20-25 44119 0.1-0.2 1-1.5 20-25 44119 ANSWER DOWNLOAD EXAMIANS APP
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