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 Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Flash point Viscosity index Aniline point Viscosity Flash point Viscosity index Aniline point Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Naphthenes Paraffins Aromatics Olefins Naphthenes Paraffins Aromatics Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be 87 >100 79 97 87 >100 79 97 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with Ethane Methane Ethyl alcohol Methyl alcohol Ethane Methane Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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