Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Aromatics Olefins Naphthenes Paraffins Aromatics Olefins Naphthenes Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Products drawn from the top to bottom of the crude oil distillation column has progressively increasing Boiling points Molecular weight All of these C/H ratio Boiling points Molecular weight All of these C/H ratio ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. All of these Asphaltic Gum forming Color forming All of these Asphaltic Gum forming Color forming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Oxidation & polymerisation of unsaturates Presence of sulphur Alkylation of unsaturates Higher aromatic content Oxidation & polymerisation of unsaturates Presence of sulphur Alkylation of unsaturates Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Mercaptans Diolefins Waxes Asphalt Mercaptans Diolefins Waxes Asphalt ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Fluidised bed Perforated plate Bubble-cap Packed bed Fluidised bed Perforated plate Bubble-cap Packed bed ANSWER DOWNLOAD EXAMIANS APP