Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T² √T T³ T T² √T T³ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetic acid will be most economically separated from a dilute solution of acetic acid in water by Continuous distillation Absorption Solvent extraction Evaporation Continuous distillation Absorption Solvent extraction Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL/DA² KL²/DA KL².DA √(KL².DA) KL/DA² KL²/DA KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large free cross-section Low weight per unit volume Large weight of liquid retained Large surface per unit volume Large free cross-section Low weight per unit volume Large weight of liquid retained ANSWER DOWNLOAD EXAMIANS APP
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