Mass Transfer Channelling is most severe At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing In towers packed randomly with crushed solids At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing In towers packed randomly with crushed solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Better contact of the phase None of these Higher contact area Repeated coalescence & redispersion of the drop phase Better contact of the phase None of these Higher contact area Repeated coalescence & redispersion of the drop phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the liquid flow is its specific weight Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Maximum number of ideal plates Optimum reflux ratio Minimum number of theoretical plates Height of the distillation column Maximum number of ideal plates Optimum reflux ratio Minimum number of theoretical plates Height of the distillation column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics All of these Improved flooding characteristics Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics All of these Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Integral heat of adsorption Differential heat of adsorption None of these Heat of wetting Integral heat of adsorption Differential heat of adsorption None of these Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
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