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 Sodium plumbite Sodium sulphite Lead sulphate Sodium thiosulphate Sodium plumbite Sodium sulphite Lead sulphate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Reduce its viscosity Improve the octane number Increase its pour point Act as an antioxidant Reduce its viscosity Improve the octane number Increase its pour point 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. Calcium Potassium Sodium Magnesium Calcium Potassium Sodium Magnesium ANSWER DOWNLOAD EXAMIANS APP
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