Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D D2 D0.5 1/D D D2 D0.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P >>P P P = P P < P P >>P P P = P P < P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure All of the listed here Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Can either increase or decrease, depends on the system Decrease Remain unchanged Increase Can either increase or decrease, depends on the system Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Packed Tray Bubble Spray Packed Tray Bubble Spray ANSWER DOWNLOAD EXAMIANS APP
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