Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases Decreases linearly Increases Remains same Decreases Decreases linearly Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Slope of the operating line in stripping section decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved Relative volatility is reasonably constant Mixture (to be separated) shows negative deviation from ideality Mixture (to be separated) shows positive deviation from ideality Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is 2 1 ∞ 0.5 2 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is 1 0.6 2 0.5 1 0.6 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
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