Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate None of these Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Number of plates is zero Separation is most efficient Minimum number of the theoretical plates is required Number of plates is infinity Number of plates is zero Separation is most efficient Minimum number of the theoretical plates is required Number of plates is infinity 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 = NPr = NLe NSc = NLe NPr = NLe NSc = 1 NSc = NPr = NLe NSc = NLe NPr = NLe NSc = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P P >>P P = P P < P P P >>P P = P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve) S₁ x S₂ S₁ - S₂ S₂/S₁ S₁/S₂ S₁ x S₂ S₁ - S₂ S₂/S₁ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
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