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 Gum formation Thermal cracking Discoloration Coking Gum formation Thermal cracking Discoloration Coking 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 Reduce its viscosity Increase its pour point Improve the octane number Act as an antioxidant Reduce its viscosity Increase its pour point Improve the octane number Act as an antioxidant ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The octane number of aviation gasoline may be 87 97 >100 79 87 97 >100 79 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. Sodium Calcium Magnesium Potassium Sodium Calcium Magnesium Potassium ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS