Petroleum Refinery Engineering Which is almost absent in crude petroleum? Naphthenes Mercaptans Cycloparaffins Olefins Naphthenes Mercaptans Cycloparaffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 70 45 90 55 70 45 90 55 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes is used for the production of petroleum coke? Cracking Stabilisation Reforming Visbreaking Cracking Stabilisation Reforming Visbreaking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatisation by liquid SO₂ extraction (Edeleanu process), its smoke point may become __________ mm. 25 5 100 10 25 5 100 10 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most widely used solvent for dewaxing is Petroleum ether Methyl-ethyl-ketone (MEK) Sodium plumbite Naphtha Petroleum ether Methyl-ethyl-ketone (MEK) Sodium plumbite Naphtha ANSWER DOWNLOAD EXAMIANS APP
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