Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Minimises coke formation Neither A nor B Both A & B Enhances the desulphurisation process Minimises coke formation Neither A nor B Both A & B Enhances the desulphurisation process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature Are not soluble in them Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Dehydrocyclisation of higher paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins Isomerisation of paraffins Dehydrocyclisation of higher paraffins Dehydrogenation of naphthene Dehydrogenation of lower paraffins Isomerisation of paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Reforming Uses naphtha as feedstock All of these Does not much affect the molecular weight of the feed Improves the quality & yield of gasoline Uses naphtha as feedstock All of these Does not much affect the molecular weight of the feed Improves the quality & yield of gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. Unleaded Polymer Straight run Casing head Unleaded Polymer Straight run Casing head ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with Ethane Ethyl alcohol Methyl alcohol Methane Ethane Ethyl alcohol Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP