Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Wet bulb Both A & B Dew point Neither A nor B Wet bulb Both A & B Dew point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by All of the listed here Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air All of the listed here Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be More Less Either A or B; depends on the packing height Equal More Less Either A or B; depends on the packing height Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases Increases Remains same Decreases linearly Decreases Increases Remains same Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Wetted wall tower Bubble cap tower Grid tray tower Perforated tray tower Wetted wall tower Bubble cap tower Grid tray tower ANSWER DOWNLOAD EXAMIANS APP
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