Mass Transfer Danckwerts developed the __________ theory. Penetration Film Surface renewal None of these Penetration Film Surface renewal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed 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 = ∞ S < 1 S = 1 S > 1 S = ∞ S < 1 S = 1 S > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases Diffusivity of solute increases Thermal conductivity of solute increases None of these Viscosity of solvent decreases Diffusivity of solute increases Thermal conductivity of solute increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio Increasing the liquid flow rate Increasing the vapour flow rate Use of increased tray spacing Using higher reflux ratio Increasing the liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
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