Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) T² T 1/T √T T² T 1/T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit of molal diffusivity is Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm. sec Gm moles/cm² . sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm. sec Gm moles/cm² . sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the Number of plates increases Separation becomes more efficient None of these Column diameter increases Number of plates increases Separation becomes more efficient None of these Column diameter 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 NSc = 1 NPr = NLe NSc = NPr = NLe NSc = NLe NSc = 1 NPr = NLe NSc = NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Total pressure throughout the liquid phase is equal to that throughout the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase All of these Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase All of these Temperature of the liquid phase is equal to that of the vapor phase 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) Straight Neither A nor B Parallel Both A & B Straight Neither A nor B Parallel Both A & B ANSWER DOWNLOAD EXAMIANS APP