Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Improvement of viscosity index Removal of sulphur Improvement of smoke point Reduction of breathing loss Improvement of viscosity index Removal of sulphur Improvement of smoke point Reduction of breathing loss ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Cupric chloride Sodium hydroxide Potassium isobutyrate Sodium plumbite Cupric chloride Sodium hydroxide Potassium isobutyrate Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead Napthenic acid Ethyl mercaptan Amyl nitrate Tetra ethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Bentonite clays All of these Silica-magnesia Silica-alumina Bentonite clays All of these Silica-magnesia Silica-alumina ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature Can be separated out by distillation Are not soluble in them Decrease their viscosity Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pour point and freezing point is equal for Petrol Water Diesel Crude petroleum Petrol Water Diesel Crude petroleum ANSWER DOWNLOAD EXAMIANS APP
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