Mass Transfer At constant pressure, with increase of temperature, the dew point will Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio All of these Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 1 10 5 100 1 10 5 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Decrease Increase Remain unchanged Can either increase or decrease, depends on the system Decrease Increase Remain unchanged Can either increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² KL²/DA KL².DA √(KL².DA) KL/DA² KL²/DA KL².DA √(KL².DA) 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 Integral heat of adsorption Heat of wetting Heat of normal condensation Differential heat of adsorption Integral heat of adsorption Heat of wetting Heat of normal condensation ANSWER DOWNLOAD EXAMIANS APP
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