Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to 1/f F/2 2f F 1/f F/2 2f F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 ∞ 0.5 1 2 ∞ 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Decreases Increases linearly Remains same Increases Decreases Increases linearly Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture. Bound Unbound Critical Free Bound Unbound Critical Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Increasing the liquid flow rate Use of increased tray spacing Increasing the vapour flow rate Using higher reflux ratio Increasing the liquid flow rate Use of increased tray spacing Increasing the vapour flow rate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS