Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Can either increase or decrease, depends on the system Decrease Increase Remain unchanged Can either increase or decrease, depends on the system Decrease Increase Remain unchanged 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 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 Humidification only Evaporative cooling Heating only Both heating and humidification Humidification only Evaporative cooling Heating only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is The water entrained by the circulating air Dependent on the water lost by evaporation Desirable All of these The water entrained by the circulating air Dependent on the water lost by evaporation Desirable All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during evaporative cooling process with recirculated water supply? Relative humidity Wet bulb temperature None of these Partial pressure of vapour Relative humidity Wet bulb temperature None of these Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer. Vacuum Tunnel Tray Rotary Vacuum Tunnel Tray Rotary ANSWER DOWNLOAD EXAMIANS APP
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