Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Unbound Critical Free Bound Unbound Critical Free Bound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S > 1 S = 1 S = ∞ S < 1 S > 1 S = 1 S = ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Elutriation or elution None of these Decoction Percolation Elutriation or elution None of these Decoction Percolation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. < 150 200-330 > 1000 > 500 < 150 200-330 > 1000 > 500 ANSWER DOWNLOAD EXAMIANS APP
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