Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Wetted wall Packed Perforated tray Bubble cap Wetted wall Packed Perforated tray Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics All of these Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number. Stanton Peclet Sherwood Schmidt Stanton Peclet Sherwood Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = (1 - Re)/Re Ri = Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) Ri = (1 - Re)/Re Ri = Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) ANSWER DOWNLOAD EXAMIANS APP
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