Petroleum Refinery Engineering Which one is preferred for aircraft engine? None of these High viscosity index lube oil Low viscosity index lube oil High freezing point aviation fuel None of these High viscosity index lube oil Low viscosity index lube oil High freezing point aviation fuel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature. Same as More than Less than Either more or less; depends on the room temperature Same as More than Less than Either more or less; depends on the room temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment of petroleum products Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming Desulphurise straight run gasoline & kerosene All of these Decolorises & stabilises cracked gasoline Adsorb arsenic from feedstock to catalytic reforming Desulphurise straight run gasoline & kerosene All of these 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 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 Enhance the octane number of gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Naphthenic acid Aromatics Mercaptans Paraffins Naphthenic acid Aromatics Mercaptans Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Helps during stabilisation Leads to corrosion Increases lead susceptibility Decreases gum formation Helps during stabilisation Leads to corrosion Increases lead susceptibility Decreases gum formation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS