Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S > 1 S = ∞ S = 1 S < 1 S > 1 S = ∞ S = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the mutual solubility of two liquids Decreases Remains unchanged Decreases exponentially Increases Decreases Remains unchanged Decreases exponentially Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.25 0.2 0.4 0.175 0.25 0.2 0.4 0.175 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when Extracting solvent is cheaply & abundantly available One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available One of the liquid components has very high affinity towards the solvent One of the liquid components is heat sensitive Viscosity of liquid components is very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air All of the listed here Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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