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 Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with dumped packing) Pulse column Packed column (with stacked packing) Bubble plate column Packed column (with dumped packing) Pulse column Packed column (with stacked packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Interfacial Both liquid and gas side Liquid side Gas side Interfacial Both liquid and gas side Liquid side Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. None of these Highly humid High temperature Perfectly dry None of these Highly humid High temperature Perfectly dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P P < P P >>P P = P P P < P P >>P P = P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are porous Silica Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica Synthetic zeolites crystals/metal alumino-silicates Alumina None of these ANSWER DOWNLOAD EXAMIANS APP
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