Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Agitator is provided in a crystalliser for Crystal growth Formation of nuclei All of these Avoiding deposition on cooler surfaces Crystal growth Formation of nuclei All of these Avoiding deposition on cooler surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the liquid flow rate Use of increased tray spacing Using higher reflux ratio Increasing the vapour flow rate Increasing the liquid flow rate Use of increased tray spacing Using higher reflux ratio Increasing the vapour flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C. Between 100 and 210 None of the listed here At < 100 At > 210.6 Between 100 and 210 None of the listed here At < 100 At > 210.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 1 5 100 10 1 5 100 ANSWER DOWNLOAD EXAMIANS APP