Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. High solubility of wax in the solvent Neither A nor B Complete miscibility with oil Both A & B High solubility of wax in the solvent Neither A nor B Complete miscibility with oil Both A & B 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. 2000-2500 600-750 1000-1500 250-350 2000-2500 600-750 1000-1500 250-350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Carbon percentage (by weight) in crude petroleum may be about 85 95 75 65 85 95 75 65 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor None of these Increases coke formation Increases the rate of reaction Produces high octane number gasoline None of these Increases coke formation Increases the rate of reaction Produces high octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher vapour pressure of gasoline indicates High breathing loss Low flash point Neither A nor B Both A & B High breathing loss Low flash point Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP