Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol Propane Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point of the diesel is a measure of its __________ content. Olefin Paraffin Aromatic Naphthene Olefin Paraffin Aromatic Naphthene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Can be separated out by distillation Crystallise out at low temperature Decrease their viscosity Are not soluble in them Can be separated out by distillation Crystallise out at low temperature Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Research octane number refers to the Low octane number motor fuels High octane number motor fuels Unleaded motor fuels High octane number aviation fuels Low octane number motor fuels High octane number motor fuels Unleaded motor fuels High octane number aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C 30atm & 200°C 50atm. & 750°C 10atm & 500°C 2atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
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