Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Oxidation & polymerisation of unsaturates Presence of sulphur Alkylation of unsaturates Higher aromatic content Oxidation & polymerisation of unsaturates Presence of sulphur Alkylation of unsaturates Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Alumina Nickel Silica gel Sulphuric acid Alumina Nickel Silica gel Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High freezing point aviation fuel Low viscosity index lube oil None of these High viscosity index lube oil High freezing point aviation fuel Low viscosity index lube oil None of these High viscosity index lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. All of these With increase in the reactor pressure, octane number of gasoline decreases With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio All of these With increase in the reactor pressure, octane number of gasoline decreases 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 Deoiling of wax is done by its Heating Cooling Solvent extraction Both B & C Heating Cooling Solvent extraction Both B & C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Naphthenes Paraffins Olefins None of these Naphthenes Paraffins Olefins None of these ANSWER DOWNLOAD EXAMIANS APP
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