Mass Transfer Danckwerts developed the __________ theory. Film None of these Penetration Surface renewal Film None of these Penetration Surface renewal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Small cross-section column Low reflux ratio Less number of trays High reflux ratio Small cross-section column Low reflux ratio Less number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rayleigh's equation applies to __________ distillation. Continuous Steam Flash Differential Continuous Steam Flash Differential ANSWER DOWNLOAD EXAMIANS APP
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? Humidification only Heating only Evaporative cooling Both heating and humidification Humidification only Heating only Evaporative cooling Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Cannot be computed Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP