Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Complete miscibility with oil Neither A nor B Both A & B High solubility of wax in the solvent Complete miscibility with oil Neither A nor B Both A & B High solubility of wax in the solvent ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ? Vacuum gas oil Gasoline Atmospheric gas oil Diesel Vacuum gas oil Gasoline Atmospheric gas oil Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Paraffins Naphthenes Aromatics Olefins Paraffins Naphthenes Aromatics Olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercapsol and Unisol processes are meant for the Removal of mercaptans Dewaxing Dearomatisation of kerosene Decoloration Removal of mercaptans Dewaxing Dearomatisation of kerosene Decoloration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking process is used mainly for making Smoke free kerosene High octane gasoline Fuel oil High cetane diesel Smoke free kerosene High octane gasoline Fuel oil High cetane diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce the pour point Increase its smoke point Increase its octane number Reduce gum formation Reduce the pour point Increase its smoke point Increase its octane number Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP