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 Coking Gum formation Discoloration Thermal cracking Coking Gum formation Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Sodium sulphite Lead sulphate Sodium thiosulphate Sodium plumbite Sodium sulphite Lead sulphate Sodium thiosulphate Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant Increase its pour point Reduce its viscosity Improve the octane number Act as an antioxidant ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be 87 >100 79 97 87 >100 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 Sodium Potassium Magnesium Calcium Sodium Potassium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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