Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Remains unchanged Decreases Increases None of these Remains unchanged Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Neither A nor B Above Both A & B Across Neither A nor B Above Both A & B Across ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Interfacial area Degree of turbulence Physical properties Chemical properties Interfacial area Degree of turbulence Physical properties ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At 750°K and 1 atm, the approximate value of Schmidt number for air is 0.1 1 0.01 10 0.1 1 0.01 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Heat of wetting Heat of normal condensation Differential heat of adsorption Integral heat of adsorption Heat of wetting Heat of normal condensation Differential heat of adsorption Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP