Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Reduce liquid hold up Avoid channeling Minimise the overall pressure drop Avoid flooding Reduce liquid hold up Avoid channeling Minimise the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Increase in flow rate Sharp rise in pressure drop None of these Sharp drop in pressure drop Increase in flow rate Sharp rise in pressure drop None of these Sharp drop in pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because They are always equal under all circumstances Water has a high latent heat of evaporation Lewis number is close to unity Solubility of the components of air in water is very small They are always equal under all circumstances Water has a high latent heat of evaporation Lewis number is close to unity Solubility of the components of air in water is very small ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent A ternary mixture A binary mixture Partially miscible ternary system A pure component A ternary mixture A binary mixture Partially miscible ternary system A pure component 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 Selectivity of the solvent used in solvent extraction should be 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP