Mass Transfer Molecular seives are regenerated by heating to __________ °C. > 500 < 150 > 1000 200-330 > 500 < 150 > 1000 200-330 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Can either increase or decrease, depends on the system Decrease Remain unchanged Increase Can either increase or decrease, depends on the system Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 5 100 1 10 5 100 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the Concentration Nature of the constituents None of these Temperature and pressure Concentration Nature of the constituents None of these Temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Large latent heat Low viscosity Small latent heat None of these Large latent heat Low viscosity Small latent heat None of these 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. 6 8 12 10 6 8 12 10 ANSWER DOWNLOAD EXAMIANS APP
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