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 0.175 0.2 0.4 0.25 0.175 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Decreases Remains same Increases Either A or B, depends on the system Decreases Remains same Increases Either A or B, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Differential heat of adsorption Heat of wetting Heat of normal condensation Integral heat of adsorption Differential heat of adsorption Heat of wetting Heat of normal condensation Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 x 10⁻³ kg mole/m².s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m² .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is 5.6 x 10⁻⁴ 8.5 x 10⁻⁴ 8.5 x 10⁻³ 5.6 x 10⁻³ 5.6 x 10⁻⁴ 8.5 x 10⁻⁴ 8.5 x 10⁻³ 5.6 x 10⁻³ ANSWER DOWNLOAD EXAMIANS APP
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