Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling 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. 8 12 10 6 8 12 10 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Elutriation or elution Decoction Percolation None of these Elutriation or elution Decoction Percolation None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart is useful in the design of Crystalliser Evaporator Dryer Distillation column Crystalliser Evaporator Dryer Distillation column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two volatile liquids by distillation makes use of their Solubility Relative volatility Density difference Selectivity Solubility Relative volatility Density difference Selectivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Same as Either same or higher than Higher than Lower than Same as Either same or higher than Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP