Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Diethylene glycol Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol Propane Diethylene glycol Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol Propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment is used to remove None of these Wax from lube oil Colour & dissolved gases from cracked gasoline Salt from the crude oil None of these Wax from lube oil Colour & dissolved gases from cracked gasoline Salt from the crude oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-H R-S-R' R-S-R R-COOH R-S-H R-S-R' R-S-R R-COOH ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Deoiling of wax is done by its Both B & C Heating Solvent extraction Cooling Both B & C Heating Solvent extraction Cooling ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil gives an idea of the Explosion hazards Amount of low boiling fraction present Nature of boiling point diagram of the system All of these Explosion hazards Amount of low boiling fraction present Nature of boiling point diagram of the system All of these ANSWER DOWNLOAD EXAMIANS APP
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