Petroleum Refinery Engineering Waxes present in petroleum products Decrease their viscosity Are not soluble in them Can be separated out by distillation Crystallise out at low temperature Decrease their viscosity Are not soluble in them Can be separated out by distillation Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The average boiling point of aviation turbine fuel is closest to that of Kerosene Lubricating oils Diesel LPG Kerosene Lubricating oils Diesel LPG ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is transported inland from oil field to refineries, mainly by the Road tankers Underground pipelines None of these Rail tankers Road tankers Underground pipelines None of these Rail tankers ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing All of these Boiling points Molecular weight C/H ratio All of these Boiling points Molecular weight C/H ratio 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 Molecular weight of crude petroleum may be around 50 5000 1500 250 50 5000 1500 250 ANSWER DOWNLOAD EXAMIANS APP
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