Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying operation, it is easier to remove the __________ moisture. Bound Equilibrium Critical Unbound Bound Equilibrium Critical Unbound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Either A or B; depends on the gas Remains same Increases Decreases Either A or B; depends on the gas Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher absolute (specific) humidity Higher dew point Higher relative humidity Higher wet bulb temperature Higher absolute (specific) humidity Higher dew point Higher relative humidity Higher wet bulb temperature 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 < 1 and ≈ 1 0 and ≈ 1 1 and 0 >1 and ≈ 1 < 1 and ≈ 1 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
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