Mass Transfer Chemisorption compared to physical absorption has None of these Lower capacity of the solvent for the solute gas Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase None of these Lower capacity of the solvent for the solute gas Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Straight Both A & B Neither A nor B Parallel Straight Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wetted wall tower is used to determine M.T.C. of individual components in a liquid-liquid system M.T.C. of liquid in liquid-gas system The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system M.T.C. of individual components in a liquid-liquid system M.T.C. of liquid in liquid-gas system The overall M.T.C. of the system Individual mass transfer co-efficient (M.T.C.) in gaseous system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the Separation becomes more efficient None of these Column diameter increases Number of plates increases Separation becomes more efficient None of these Column diameter increases Number of plates increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = NLe NPr = NLe NSc = NPr = NLe NSc = 1 NSc = NLe NPr = NLe NSc = NPr = NLe NSc = 1 ANSWER DOWNLOAD EXAMIANS APP
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