Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate None of these Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 x 10⁻³ kg mole/m².s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m² .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is 8.5 x 10⁻³ 5.6 x 10⁻⁴ 8.5 x 10⁻⁴ 5.6 x 10⁻³ 8.5 x 10⁻³ 5.6 x 10⁻⁴ 8.5 x 10⁻⁴ 5.6 x 10⁻³ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Decreases Increases Exponentially increases Does not affect Decreases Increases Exponentially increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter None of these Decreases in winter Increases in summer Increases in winter None of these Decreases in winter Increases in summer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sticky material can be dried in a __________ dryer. Rotary None of these Tray Fluidised bed Rotary None of these Tray Fluidised bed ANSWER DOWNLOAD EXAMIANS APP