Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Half Equal to More than Twice Half Equal to More than Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Increases Decreases Data insufficient, cannot be predicted Remains constant Increases Decreases Data insufficient, cannot be predicted Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Ion-exchange Adsorption Absorption Rectification Ion-exchange Adsorption Absorption Rectification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Increases Decreases Remains same Either A or B, depends on the system Increases Decreases Remains same Either A or B, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required Solvent of low freezing point should be used Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Very small quantity of solvent is required ANSWER DOWNLOAD EXAMIANS APP