Petroleum Refinery Engineering Naphthenic acid is represented by CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n-2O₂ CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) CnHsub>2n+6O₂ (n ≤ 6) CnHsub>2n-2O₂ CnH2n+2O₂ CnHsub>2n+2O₂ (n ≥ 6) ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. Sulphur decreases Sulphur increases Nitrogen decreases None of these Sulphur decreases Sulphur increases Nitrogen decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Flash point Viscosity index Viscosity Aniline point Flash point Viscosity index Viscosity Aniline point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 100 50 25 5 100 50 25 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The colour of gasoline is an indication of its Octane number Lead susceptibility None of these Gum forming tendency & thoroughness of refining Octane number Lead susceptibility None of these Gum forming tendency & thoroughness of refining ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. Activated clay Bauxite Fuller's earth All of these Activated clay Bauxite Fuller's earth All of these ANSWER DOWNLOAD EXAMIANS APP