Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Liquid extraction Absorption Evaporation Distillation Liquid extraction Absorption Evaporation Distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide 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 Repeated coalescence & redispersion of the drop phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Phase change of the solute as it dissolves in the solvent Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution All of these Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution All of these Diffusion of the solute through the solvent in the pores to the outside of the particle ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law. Exponential Cubic Parabolic Linear Exponential Cubic Parabolic Linear ANSWER DOWNLOAD EXAMIANS APP