Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Melting point Penetration number Specific gravity Viscosity Melting point Penetration number Specific gravity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Greater depth of cracking gives lower octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are All of these Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number All of these Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds Undesirable in petrol, as they reduce its octane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? All of these Modern theory Engler theory Carbide theory All of these Modern theory Engler theory Carbide theory ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The solvent used in Barisol dewaxing process is Methyl ethyl ketone (MEK) Hexane Furfural Benzol and ethylene dichloride Methyl ethyl ketone (MEK) Hexane Furfural Benzol and ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP
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