Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Acid Solvent extraction Alkali Clay Acid Solvent extraction Alkali Clay ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has Low viscosity index High self-ingnition temperature High pour point and low smoke point All of these Low viscosity index High self-ingnition temperature High pour point and low smoke point All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Decreases Is unpredictable Increases Remains same Decreases Is unpredictable Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby None of these High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose Lighter/low boiling products are prone to thermal decomposition High purity products can be obtained thereby ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Fuel oil is subjected to visbreaking to reduce its Pour point Viscosity All of these Pressure drop on pumping Pour point Viscosity All of these Pressure drop on pumping ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point test of an oil qualitatively indicates the __________ content of an oil. Aromatic Naphthene Olefin Paraffin Aromatic Naphthene Olefin Paraffin ANSWER DOWNLOAD EXAMIANS APP
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