Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Enhances the desulphurisation process Neither A nor B Minimises coke formation Both A & B Enhances the desulphurisation process Neither A nor B Minimises coke formation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Paraffin base crude oil as compared to asphalt base crude gives Lower viscosity index lube oil Poorer yield of lube oil Higher yield of straight run gasoline Higher octane number gasoline Lower viscosity index lube oil Poorer yield of lube oil Higher yield of straight run gasoline Higher octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetraethyl lead Ethyl nitrate or acetone Tetramethyllead None of these Tetraethyl lead Ethyl nitrate or acetone Tetramethyllead None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Aromatics Mercaptans Naphthenic acid Paraffins Aromatics Mercaptans Naphthenic acid Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of crude oil is in the range of 230-250 100-120 600-850 450-550 230-250 100-120 600-850 450-550 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Lower flash point and fire point Higher flash point and fire point Higher acid number Lower Reid vapour pressure Lower flash point and fire point Higher flash point and fire point Higher acid number Lower Reid vapour pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS