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