Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Napthenic acid Ethyl mercaptan Tetra ethyl lead Amyl nitrate Napthenic acid Ethyl mercaptan Tetra ethyl lead Amyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Paraffins Olefins Naphthenes None of these Paraffins Olefins Naphthenes None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most important property for a jet fuel? Freezing point Pour point Colour Cloud point Freezing point Pour point Colour Cloud point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Viscosity Penetration number Melting point Specific gravity Viscosity Penetration number Melting point Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Neither A nor B Minimises coke formation Both A & B Enhances the desulphurisation process Neither A nor B Minimises coke formation Both A & B Enhances the desulphurisation process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water separometer index (modified) (WSIM) of a petrofuel is the measure of its Water content Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency Water content Water absorbing capacity from atmosphere Water separation characteristics Emulsification tendency ANSWER DOWNLOAD EXAMIANS APP
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