Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Cost Size Durability Porosity Cost Size Durability ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Physical properties Degree of turbulence Interfacial area Chemical properties Physical properties Degree of turbulence Interfacial area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Is far from the equilibrium line Lies above the equilibrium line Lies below the equilibrium line And equilibrium lines are parallel Is far from the equilibrium line Lies above the equilibrium line Lies below the equilibrium line And equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Surface renewal Penetration Film None of these Surface renewal Penetration Film None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Increase in flow rate Sharp drop in pressure drop None of these Sharp rise in pressure drop Increase in flow rate Sharp drop in pressure drop None of these Sharp rise in pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) None of these Kc = Kp = Km Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P None of these Kc = Kp = Km Kc = Kp . RT = Km . RT/p Kc = Kp/RT = Km . RT/P ANSWER DOWNLOAD EXAMIANS APP
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