Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower Perforated tray tower Bubble cap tower Wetted wall tower Grid tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer COâ‚‚ can be absorbed by Hot cupric oxide Alumina Cold Ca(OH)â‚‚ Heated charcoal Hot cupric oxide Alumina Cold Ca(OH)â‚‚ Heated charcoal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Always lower than Same as Always higher than Dependent on the system; can be either lower or higher than Always lower than Same as Always higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desulphurisation of petrol is done in a Bollman extractor Rotating disc extractor Packed extraction column Plate type extraction column Bollman extractor Rotating disc extractor Packed extraction column Plate type extraction column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS