Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Precipitate wax Remove wax Depress its pour point Dissolve wax Precipitate wax Remove wax Depress its pour point Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Is unpredictable Decreases Increases Remains same Is unpredictable Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Coking None of these Visbreaking Pyrolysis Coking None of these Visbreaking Pyrolysis ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Iso-paraffins Aromatics Paraffins Naphthenes Iso-paraffins Aromatics Paraffins Naphthenes ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Feedstock for polymerisation is None of these Cracked gases rich in C₂ & C₄ olefins Naphtha Low boiling aromatics None of these Cracked gases rich in C₂ & C₄ olefins Naphtha Low boiling aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature Are not soluble in them Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature Are not soluble in them ANSWER DOWNLOAD EXAMIANS APP
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