Petroleum Refinery Engineering Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol. Asphalt Waxes Mercaptans Diolefins Asphalt Waxes Mercaptans Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Methyl ethyl ketone (MEK) Propane Aqueous solution (10% water) of diethylene glycol Diethylene glycol Methyl ethyl ketone (MEK) Propane Aqueous solution (10% water) of diethylene glycol Diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Operating temperature and pressure in catalytic reforming is about 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C 15-45 Kgf/cm² & 450-550°C 5-10 kgf/cm² & 150 - 250°C 1-5 Kgf/cm² & 200°C 50 - 75 kgf/cm² & 600 - 800°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is Cracked gases rich in C₂ & C₄ olefins None of these Naphtha Low boiling aromatics Cracked gases rich in C₂ & C₄ olefins None of these Naphtha Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Aniline point Viscosity index Flash point Viscosity Aniline point Viscosity index Flash point Viscosity ANSWER DOWNLOAD EXAMIANS APP
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