Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Sulphur compounds Nitrogen compounds Oxygen compounds Organometallic compounds Sulphur compounds Nitrogen compounds Oxygen compounds Organometallic compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Viscosity Specific gravity Penetration number Melting point Viscosity Specific gravity Penetration number Melting point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Olefins are None of these Saturated hydrocarbons Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) None of these Saturated hydrocarbons Present in substantially good quantity in crude petroleum Unsaturated cyclic compounds (hydrocarbons) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following tests is not done for transformer oil? Dielectric strength Flash point and acid value Aniline point Copper strip corrosion test Dielectric strength Flash point and acid value Aniline point Copper strip corrosion test ANSWER DOWNLOAD EXAMIANS APP
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