Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 99 95 91.5 90 99 95 91.5 90 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Low reflux ratio Less number of trays High reflux ratio Small cross-section column Low reflux ratio Less number of trays High reflux ratio Small cross-section column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a Proportional to √D D/2a Dependent on the Reynolds number D/a Proportional to √D D/2a Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model. Plug Both plug & perfectly mixed Perfectly mixed None of the listed here Plug Both plug & perfectly mixed Perfectly mixed None of the listed here ANSWER DOWNLOAD EXAMIANS APP