Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline At low pressure, the yield of lighter hydrocarbons are more Moderate changes in operating temperature does not change the depth of cracking Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest viscosity of all (at a given temperature)? Light diesel oil Petrol Naphtha Fuel oil Light diesel oil Petrol Naphtha Fuel oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main reaction in reforming is the Hydrogenation of naphthenes Dehydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins Hydrogenation of naphthenes Dehydrogenation of naphthenes Saturation of olefins Hydrocracking of paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the catalytic polymerisation is Aluminium chloride Nickel Phosphoric acid on kieselghur Vanadium pentaoxide Aluminium chloride Nickel Phosphoric acid on kieselghur Vanadium pentaoxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur Alkylation of unsaturates Oxidation & polymerisation of unsaturates Higher aromatic content Presence of sulphur ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Olefin Aromatics Paraffin Naphthene Olefin Aromatics Paraffin Naphthene ANSWER DOWNLOAD EXAMIANS APP
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