Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Discoloration Gum formation Coking Thermal cracking Discoloration Gum formation Coking Thermal cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Lead sulphate Sodium plumbite Sodium sulphite Sodium thiosulphate Lead sulphate Sodium plumbite Sodium sulphite Sodium thiosulphate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Improve the octane number Increase its pour point Reduce its viscosity Act as an antioxidant Improve the octane number Increase its pour point Reduce its viscosity Act as an antioxidant ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be >100 87 79 97 >100 87 79 97 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. Calcium Potassium Magnesium Sodium Calcium Potassium Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
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