Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of kerosene expresses its Luminosity characteristics Burning characteristics Aromatic content directly Lamp wick wetting characteristics Luminosity characteristics Burning characteristics Aromatic content directly Lamp wick wetting characteristics 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
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Light ends Residues Intermediate distillates Heavy distillates Light ends Residues Intermediate distillates Heavy distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number (unleaded) of gasoline produced by isomerisation of butane may be about 45 55 70 90 45 55 70 90 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude petroleum oil is a __________ fuel. Primary Both A & B Fossil Secondary Primary Both A & B Fossil Secondary ANSWER DOWNLOAD EXAMIANS APP