Mass Transfer With increase in temperature, the rate of leaching increases, because the Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Wet bulb temperature decreases Relative humidity increases Relative humidity decreases Both B and C Wet bulb temperature decreases Relative humidity increases Relative humidity decreases Both B and C 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 > 4 :1 < 8 : 1 < 6:1 > 8:1 > 4 :1 < 8 : 1 < 6:1 > 8:1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase Higher contact area None of these Better contact of the phase Repeated coalescence & redispersion of the drop phase Higher contact area None of these Better contact of the phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Same as Higher than Either same or higher than Lower than Same as Higher than Either same or higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Decreased drying rate Increased drying rate Increased thickness of the solid Both B and C Decreased drying rate Increased drying rate Increased thickness of the solid Both B and C ANSWER DOWNLOAD EXAMIANS APP