Petroleum Refinery Engineering Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene. Paraffins Naphthenes Aromatics Smoke point Paraffins Naphthenes Aromatics Smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the All of these Lower solvent dilution ratio Elimination of solvent drying facility Higher nitration temperature All of these Lower solvent dilution ratio Elimination of solvent drying facility Higher nitration temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is subjected to vacuum distillation in the last stage, because None of these High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose None of these High purity products can be obtained thereby Lighter/low boiling products are prone to thermal decomposition High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Aqueous solution (10% water) of diethylene glycol Diethylene glycol Propane Methyl ethyl ketone (MEK) Aqueous solution (10% water) of diethylene glycol Diethylene glycol Propane Methyl ethyl ketone (MEK) 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 Ethyl alcohol Methane Ethane Methyl alcohol Ethyl alcohol Methane Ethane Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following categories of gasoline has the highest lead susceptibility? Catalytical cracked gasoline Platinum reformed gasoline Straight run gasoline Polymer gasoline Catalytical cracked gasoline Platinum reformed gasoline Straight run gasoline Polymer gasoline ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS