Mass Transfer Chemisorption compared to physical absorption has None of these Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate Lower capacity of the solvent for the solute gas None of these Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate Lower capacity of the solvent for the solute gas 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 < 6:1 > 4 :1 < 8 : 1 > 8:1 < 6:1 > 4 :1 < 8 : 1 > 8:1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Dry bulb temperature None of these Partial pressure of vapour Wet bulb temperature Dry bulb temperature None of these Partial pressure of vapour Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Both A & B Neither A nor B Diameter < 0.6 Height < 6 Both A & B Neither A nor B Diameter < 0.6 Height < 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Below which it will always stay dry Above which it will always become damp Both A and B Above Which it will always become dry and below which it will always stay damp Below which it will always stay dry Above which it will always become damp Both A and B Above Which it will always become dry and below which it will always stay damp ANSWER DOWNLOAD EXAMIANS APP
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