Mass Transfer In extractive distillation, solvent is Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Of high volatility Present in overhead stream Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Of high volatility Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 12 6 8 10 12 6 8 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Increases Remains same Decreases Decreases linearly Increases Remains same Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure is equal to the product of the mole fraction and total pressure Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure is equal to the product of the mole fraction and total pressure Vapour pressure is equal to the product of the mole fraction and total pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbent is used to decolourise yellow glycerine? Alumina Silica gel Activated carbon Fuller Alumina Silica gel Activated carbon Fuller ANSWER DOWNLOAD EXAMIANS APP