Petroleum Refinery Engineering Most widely used solvent for dewaxing is Methyl-ethyl-ketone (MEK) Sodium plumbite Naphtha Petroleum ether Methyl-ethyl-ketone (MEK) Sodium plumbite Naphtha Petroleum ether ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the lowest cetane number? Naphthene I-paraffins Aromatics Olefins Naphthene I-paraffins Aromatics Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to Decrease the breathing loss None of these Increase its smoke point Improve its oxidation stability Decrease the breathing loss None of these Increase its smoke point Improve its oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Waxes Mercaptans Asphalt Diolefins Waxes Mercaptans Asphalt Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Penetration number Melting point Viscosity Specific gravity Penetration number Melting point Viscosity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
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