Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D D0.5 D2 1/D D D0.5 D2 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Increases Passes through a maximum Decreases Remains unaffected Increases Passes through a maximum Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. Rotary Tray Freeze None of these Rotary Tray Freeze None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Approach is 10°F Neither A nor B Range is 15°F Both A & B Approach is 10°F Neither A nor B Range is 15°F Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high latent heat of vaporisation Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture Have high latent heat of vaporisation Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Form a low boiling azeotrope with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reciprocal of stripping factor is termed as Absorption factor Relative volatility Murphree efficiency Selectivity index Absorption factor Relative volatility Murphree efficiency Selectivity index ANSWER DOWNLOAD EXAMIANS APP