Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Mercaptans Aromatics Naphthenic acid Paraffins Mercaptans Aromatics Naphthenic acid Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 250 to 350 30 to 80 1 to 5 450 to 500 250 to 350 30 to 80 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Aniline point is the temperature at which Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of diesel & the aniline are completely miscible Equal weight of aniline & the test sample are completely miscible Equal volume of aniline & the test sample are completely miscible Aniline vaporises Equal weight of diesel & the aniline are completely miscible ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a solvent in deasphalting of petroleum products? Liquid sulphur dioxide Methyl ethyl ketone Propane Furfural Liquid sulphur dioxide Methyl ethyl ketone Propane Furfural 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 Sustain the reactor pressure Obviate catalyst poisoning Hydrogenate the feed stock Maintain the reaction temperature Sustain the reactor pressure Obviate catalyst poisoning Hydrogenate the feed stock ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol Higher gum forming material in petrol Lower octane number of petrol Higher sulphur content in the product Gives higher yield of petrol ANSWER DOWNLOAD EXAMIANS APP
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