Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Wetted wall column Packed tower Bubble-cap plate column Seive-plate column Wetted wall column Packed tower Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Diffusion of the solute through the solvent in the pores to the outside of the particle Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution All of these Phase change of the solute as it dissolves in the solvent Diffusion of the solute through the solvent in the pores to the outside of the particle Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution All of these Phase change of the solute as it dissolves in the solvent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Increases linearly Remains same Decreases Increases Increases linearly Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum possible diameter of a packed coloumn is decided mainly by the Flooding Liquid hold up Liquid density Gas viscosity Flooding Liquid hold up Liquid density Gas viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Either A, or B ; depends on the type of packing Equal to Smaller than Greater than Either A, or B ; depends on the type of packing Equal to Smaller than Greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dimension of mass diffusivity is the same as that of Surface tension Kinematic viscosity Pressure Dynamic viscosity Surface tension Kinematic viscosity Pressure Dynamic viscosity ANSWER DOWNLOAD EXAMIANS APP
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