Petroleum Refinery Engineering Diesel index is defined as (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °F (°API) x (100)/Aniline Point, °C (°API) x (Aniline Point, °C)/100 (°API) x (Aniline Point, °F)/100 (°API) x (100)/Aniline Point, °F (°API) x (100)/Aniline Point, °C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Alkylation of unsaturates Higher aromatic content Presence of sulphur Oxidation & polymerisation of unsaturates Alkylation of unsaturates Higher aromatic content Presence of sulphur Oxidation & polymerisation of unsaturates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates Enhance the octane number of gasoline Suppress coke formation Reduce gum content in gasoline Increase the yield of light distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its Gum forming tendency & thoroughness of refining Lead susceptibility Octane number None of these Gum forming tendency & thoroughness of refining Lead susceptibility Octane number None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gasoline is produced None of these By natural gas stripping From oil wells In oil refineries None of these By natural gas stripping From oil wells In oil refineries ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are . Low molecular weight & low boiling point compounds present in petroleum All of these Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge . Low molecular weight & low boiling point compounds present in petroleum All of these Desirable in catalytic cracking feedstock, because they produce coke Readily oxidisable and form carbonaceous sludge ANSWER DOWNLOAD EXAMIANS APP
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