Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most widely used crude topping column in refineries is the __________ column. Packed bed Fluidised bed Bubble-cap Perforated plate Packed bed Fluidised bed Bubble-cap Perforated plate ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms. Viscosity Smoke point Octane number Cetane number Viscosity Smoke point Octane number Cetane number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is the most widely used cracking process in oil refineries? Dubbs process T.C.C. moving bed process Houdry's fixed bed process Fluidised bed catalytic cracking process Dubbs process T.C.C. moving bed process Houdry's fixed bed process Fluidised bed catalytic cracking process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of atmospheric distillation residue is determined by __________ apparates. None of these Pensky-Martens (closed cup type) Abel Cleveland (open cup type) None of these Pensky-Martens (closed cup type) Abel Cleveland (open cup type) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Aniline vaporises Equal volume of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Aniline vaporises Equal volume of aniline & the test sample are completely miscible Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible ANSWER DOWNLOAD EXAMIANS APP
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