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 Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation Coking Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Sodium thiosulphate Lead sulphate Sodium plumbite Sodium sulphite Sodium thiosulphate Lead sulphate Sodium plumbite Sodium sulphite 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 79 87 >100 97 79 87 >100 97 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. Magnesium Calcium Potassium Sodium Magnesium Calcium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
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