Petroleum Refinery Engineering Which is the most desirable component of a good quality kerosene? N-paraffins Aromatics I-paraffins Naphthenes N-paraffins Aromatics I-paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
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 Thermal cracking Gum formation Discoloration Coking Thermal cracking Gum formation Discoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil 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 Lower octane number of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? Tar PCM Light diesel oil Low viscosity furnace oil Tar PCM Light diesel oil Low viscosity furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is Methyl ethyl ketone (MEK) Propane Diethylene glycol Aqueous solution (10% water) of diethylene glycol Methyl ethyl ketone (MEK) Propane Diethylene glycol Aqueous solution (10% water) of diethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Remove wax Dissolve wax Precipitate wax Depress its pour point Remove wax Dissolve wax Precipitate wax ANSWER DOWNLOAD EXAMIANS APP
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