Mass Transfer Back-trapping in a distillation column Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Small cross-section column High reflux ratio Low reflux ratio Less number of trays Small cross-section column High reflux ratio Low reflux ratio Less number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D D0.5 1/D D2 D D0.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? 0 < f < 1 F > 1 F = 1 F < 1 0 < f < 1 F > 1 F = 1 F < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Both A & B Across Neither A nor B Above Both A & B Across Neither A nor B Above ANSWER DOWNLOAD EXAMIANS APP
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