Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler All of these Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 D ∝ T2 D ∝ T0.5 D ∝ T D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is G/L None of these L/G Always < 1 G/L None of these L/G Always < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
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