Mass Transfer The vapour pressure exerted by the moisture contained in a wet solid depends upon the All of these Nature of the solid Temperature Nature of the moisture All of these Nature of the solid Temperature Nature of the moisture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Increase in flow rate Sharp drop in pressure drop Sharp rise in pressure drop None of these Increase in flow rate Sharp drop in pressure drop Sharp rise in pressure drop None of these 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 Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only Both heating and humidification Heating only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rate of leaching increases with increasing Pressure Viscosity of solvent Temperature Size of the solid Pressure Viscosity of solvent Temperature Size of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter > 8:1 < 6:1 < 8 : 1 > 4 :1 > 8:1 < 6:1 < 8 : 1 > 4 :1 ANSWER DOWNLOAD EXAMIANS APP