Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Phenol & furfural Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol Phenol & furfural Propane & phenol-cresol mixture Propane & liquid sulphur dioxide Methyl ethyl ketone & glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index is defined as (°API) x (100)/Aniline Point, °F (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °C (°API) x (100)/Aniline Point, °F (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetramethyllead None of these Tetraethyl lead Ethyl nitrate or acetone Tetramethyllead None of these Tetraethyl lead Ethyl nitrate or acetone ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ converts n-paraffins to i-paraffins. Polymerisation None of these Isomerisation Alkylation Polymerisation None of these Isomerisation Alkylation 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 hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of paraffins increases with decrease in its molecular weight 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 naphthenes decreases with its increasing molecular weight & also on addition of double bond ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of crude petroleum may be around 250 5000 1500 50 250 5000 1500 50 ANSWER DOWNLOAD EXAMIANS APP
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