Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Randomly packed column Sieve-plate column Packed column (stacked) Bubble-cap column Randomly packed column Sieve-plate column Packed column (stacked) Bubble-cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Wetted wall tower Perforated tray tower Bubble cap tower Grid tray tower Wetted wall tower Perforated tray tower Bubble cap tower Grid tray tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C Temperature is more than 100° C Product must be immiscible with water Temperature is higher than the boiling point of either component Temperature is 100°C Temperature is more than 100° C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is used in gas absorption process. Seive/perforated tray Wetted wall Packed Bubble cap Seive/perforated tray Wetted wall Packed Bubble cap ANSWER DOWNLOAD EXAMIANS APP