Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Proportional to √D Dependent on the Reynolds number D/a D/2a Proportional to √D Dependent on the Reynolds number D/a D/2a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X - 1) (X - 1)/X X/(X + 1) (X + 1)/X X/(X - 1) (X - 1)/X X/(X + 1) (X + 1)/X 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 S₂/S₁ S₁ - S₂ S₁/S₂ S₁ x S₂ S₂/S₁ S₁ - S₂ S₁/S₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law. Cubic Exponential Linear Parabolic Cubic Exponential Linear Parabolic ANSWER DOWNLOAD EXAMIANS APP