Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 600 0.24 1 3.97 600 0.24 1 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Decreases May increase or decrease ; depends on the type of adsorbate Remains unchanged Increases Decreases May increase or decrease ; depends on the type of adsorbate Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the Number of plates increases None of these Column diameter increases Separation becomes more efficient Number of plates increases None of these Column diameter increases Separation becomes more efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 2 to 2.5 2.5 to 3 5 to 10 1.25 to 2 2 to 2.5 2.5 to 3 5 to 10 1.25 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Diffusivity of solute increases Viscosity of solvent decreases Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases Thermal conductivity of solute increases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Paper industry employs __________ driers. Cylinder Rotary Spray Fluidised bed Cylinder Rotary Spray Fluidised bed ANSWER DOWNLOAD EXAMIANS APP