Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 2000-2500 600-750 250-350 1000-1500 2000-2500 600-750 250-350 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High freezing point aviation fuel Low viscosity index lube oil High viscosity index lube oil None of these High freezing point aviation fuel Low viscosity index lube oil High viscosity index lube oil None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrogenation of naphthene Dehydrogenation of lower paraffins Isomerisation of paraffins Dehydrocyclisation of higher paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins Isomerisation of paraffins Dehydrocyclisation of higher paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Naphthenes None of these Paraffins Olefins Naphthenes None of these Paraffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. Straight run Casing head Polymer Unleaded Straight run Casing head Polymer Unleaded ANSWER DOWNLOAD EXAMIANS APP
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