Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 30-40 44119 90-100 70-80 30-40 44119 90-100 70-80 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as Re Re0.83 Re0.53 Re0.33 Re Re0.83 Re0.53 Re0.33 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics All of these Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the total pressure ANSWER DOWNLOAD EXAMIANS APP