Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Increases Decreases Remain unchanged Depends on the extent of heating Increases Decreases Remain unchanged Depends on the extent of heating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn 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 Helps in increasing the settling rate of the bubbles All of these Comprises of thin bed of substances of extended surface having high porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Can use any type of units Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Can use any type of units Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? None of these Dehumidification with dry bulb temperature remaining constant Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature None of these Dehumidification with dry bulb temperature remaining constant Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature 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 Remains same Increase Depend on saturated boiling point; may increase or decrease Decrease Remains same Increase Depend on saturated boiling point; may increase or decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Pressure drop in the column is very high Operating line lies above the equilibrium line Operating line lies below the equilibrium line Both operating and equilibrium lines are parallel Pressure drop in the column is very high Operating line lies above the equilibrium line Operating line lies below the equilibrium line Both operating and equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
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