Petroleum Refinery Engineering Crude oil produced by Indian oil fields are predominantly __________ in nature. Asphaltic Naphthenic Mixed base Paraffinic Asphaltic Naphthenic Mixed base Paraffinic ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The general formula of naphthenes is CnH2n - 6 (where, n ≥ 6) CnHn - 4 CnH2n + 2 Same as that for olefins i.e. CnH2n CnH2n - 6 (where, n ≥ 6) CnHn - 4 CnH2n + 2 Same as that for olefins i.e. CnH2n ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Neither A nor B Molecular weight Aromatics content Both A & B Neither A nor B Molecular weight Aromatics content Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Methyl ethyl ketone (MEK) Diethylene glycol Aqueous solution (10% water) of diethylene glycol Propane Methyl ethyl ketone (MEK) Diethylene glycol Aqueous solution (10% water) of diethylene glycol Propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 30 to 80 250 to 350 1 to 5 450 to 500 30 to 80 250 to 350 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Unsaturated hydrocarbon content Quantity of propane Quantity of butane Calorific value Unsaturated hydrocarbon content Quantity of propane Quantity of butane Calorific value ANSWER DOWNLOAD EXAMIANS APP
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