Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is 1 0.5 ∞ 2 1 0.5 ∞ 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Remains unaffected And the heat required in reboiler decreases Decreases Increases Remains unaffected And the heat required in reboiler decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Are same Are different Depend on the humidity of the gas None of these Are same Are different Depend on the humidity of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively 1 and 0 >1 and ≈ 1 0 and ≈ 1 < 1 and ≈ 1 1 and 0 >1 and ≈ 1 0 and ≈ 1 < 1 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Spray towers Packed towers Wetted wall columns Plate towers Spray towers Packed towers Wetted wall columns Plate towers ANSWER DOWNLOAD EXAMIANS APP