Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Size Durability Cost Porosity Size Durability Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than Dependent on the system; can be either lower or higher than Always higher than Same as Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches None of these Integral heat of adsorption That of normal condensation Zero None of these Integral heat of adsorption That of normal condensation Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ equation applies to diffusivities in liquids. Wilke and Chang Gilliland Hirschfelder None of these Wilke and Chang Gilliland Hirschfelder None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes ANSWER DOWNLOAD EXAMIANS APP