Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering With increase in the molecular weight of aromatic present in kerosene, its smoking tendency Increases Is unpredictable Remains same Decreases Increases Is unpredictable Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic cracking is Silica gel Vanadium pentoxide Silica-alumina Nickel Silica gel Vanadium pentoxide Silica-alumina Nickel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Paraffins Naphthenes None of these Olefins Paraffins Naphthenes None of these Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively 10 and 300 50 and 250 10 and 120 1 and 200 10 and 300 50 and 250 10 and 120 1 and 200 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the Higher nitration temperature Lower solvent dilution ratio All of these Elimination of solvent drying facility Higher nitration temperature Lower solvent dilution ratio All of these Elimination of solvent drying facility ANSWER DOWNLOAD EXAMIANS APP
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