Petroleum Refinery Engineering In catalytic cracking process, olefins crack __________ times faster than in thermal cracking process. 1000-10000 200-300 10 100 1000-10000 200-300 10 100 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 The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Maintain the reaction temperature Hydrogenate the feed stock Sustain the reactor pressure Obviate catalyst poisoning Maintain the reaction temperature Hydrogenate the feed stock Sustain the reactor pressure Obviate catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The proper arrangement of the petroleum fractions in order of their boiling points is Lubricating oil > diesel > petrol > LPG Petrol > diesel > LPG > lubricating oil Petrol > lubricating oil > diesel > LPG Lubricating oil > petrol > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > diesel > LPG > lubricating oil Petrol > lubricating oil > diesel > LPG Lubricating oil > petrol > diesel > LPG ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process Minimises coke formation Both A & B Neither A nor B Enhances the desulphurisation process ANSWER DOWNLOAD EXAMIANS APP
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