Petroleum Refinery Engineering Petroleum Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Quantity of propane Calorific value Quantity of butane Unsaturated hydrocarbon content Quantity of propane Calorific value Quantity of butane Unsaturated hydrocarbon content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In case of liquid petrofuels, momentary combustion is observed at its Flash point Fire point Preheating temperature corresponding to viscosity of 25 centistokes Flame temperature Flash point Fire point Preheating temperature corresponding to viscosity of 25 centistokes Flame temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 600-750 2000-2500 250-350 1000-1500 600-750 2000-2500 250-350 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity ANSWER DOWNLOAD EXAMIANS APP