Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Zero Unity Data insufficient Infinity Zero Unity Data insufficient Infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Optimum Minimum None of these Infinite Optimum Minimum None of these Infinite 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 is heat sensitive One of the liquid components has very high affinity towards the solvent Viscosity of liquid components is very high Extracting solvent is cheaply & abundantly available One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Viscosity of liquid components is very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Heat of wetting Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting Differential heat of adsorption Integral heat of adsorption None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid ANSWER DOWNLOAD EXAMIANS APP