Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Slope of the operating line in stripping section decreases Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Total cost first decreases and then increases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Temperature is more than 100° C Product must be immiscible with water Temperature is 100°C Temperature is higher than the boiling point of either component Temperature is more than 100° C Product must be immiscible with water Temperature is 100°C Temperature is higher than the boiling point of either component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model. Plug Both plug & perfectly mixed None of the listed here Perfectly mixed Plug Both plug & perfectly mixed None of the listed here Perfectly mixed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is None of these Slightly concave downward Straight line Slightly concave upward None of these Slightly concave downward Straight line Slightly concave upward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Relative humidity Both B and C Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C Partial pressure of vapour Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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