Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D0.5 D 1/D D2 D0.5 D 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Heat of wetting Integral heat of adsorption Heat of normal condensation Differential heat of adsorption Heat of wetting Integral heat of adsorption Heat of normal condensation Differential heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Multicomponent absorption with chemical reaction Multicomponent distillation Liquid-liquid extraction Solid-liquid extraction Multicomponent absorption with chemical reaction Multicomponent distillation Liquid-liquid extraction Solid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 0.05 50 5 0.5 0.05 50 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Depends on the pressure of the system Remains unchanged Increases Decreases Depends on the pressure of the system Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
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