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