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 Heating only Humidification only Both heating and humidification Evaporative cooling Heating only Humidification only Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dimension of mass diffusivity is the same as that of Pressure Dynamic viscosity Surface tension Kinematic viscosity Pressure Dynamic viscosity Surface tension Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Pr x St Sh x Pr St x Sh Sc x Pr Pr x St Sh x Pr St x Sh Sc x Pr ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rayleigh's equation applies to __________ distillation. Differential Steam Flash Continuous Differential Steam Flash Continuous ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate None of these Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS