Petroleum Refinery Engineering Doctor's solution used for sweetening of petroleum products is Sodium plumbite Lead sulphate Sodium sulphite Sodium thiosulphate Sodium plumbite Lead sulphate Sodium sulphite Sodium thiosulphate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? Naphtha Light gas oil Diesel Vacuum residue Naphtha Light gas oil Diesel Vacuum residue ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ treatment is done for appreciable improvement in viscosity index of lubricating oil. Clay Acid Alkali Solvent extraction Clay Acid Alkali Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Remains same Is unpredictable Increases Decreases Remains same Is unpredictable Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following processes in oil refinery does not employ 'cracking'? Pyrolysis None of these Visbreaking Coking Pyrolysis None of these Visbreaking Coking 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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