Petroleum Refinery Engineering The general formula of naphthenes is CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 CnH2n + 2 CnH2n - 6 (where, n ≥ 6) Same as that for olefins i.e. CnH2n CnHn - 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main reaction in reforming is the Dehydrogenation of naphthenes Hydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins Dehydrogenation of naphthenes Hydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Higher aromatic content Alkylation of unsaturates Presence of sulphur Oxidation & polymerisation of unsaturates Higher aromatic content Alkylation of unsaturates Presence of sulphur Oxidation & polymerisation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 3 70 35 0.03 3 70 35 0.03 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics are desired constituents of Lubricating oil Diesel Petrol Kerosene Lubricating oil Diesel Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
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