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 In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Smaller than Equal to Either A, or B ; depends on the type of packing Greater than Smaller than Equal to Either A, or B ; depends on the type of packing Greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Interface Liquid phase Gas phase All of these Interface Liquid phase Gas phase All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 ∞ 1 0.5 2 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' ANSWER DOWNLOAD EXAMIANS APP