Mass Transfer Large scale drying of wheat is done in a __________ dryer. Tray Fluidised bed Spouted bed Vacuum rotary Tray Fluidised bed Spouted bed Vacuum rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Results due to very low gas velocity Increases tray efficiency Results due to very high gas velocity Provides large interfacial surface for mass transfer Results due to very low gas velocity Increases tray efficiency Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Sharp rise in pressure drop None of these Increase in flow rate Sharp drop in pressure drop Sharp rise in pressure drop None of these Increase in flow rate Sharp drop in pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. 25 < 25 > 25 -25 25 < 25 > 25 -25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Remains same Increases May increase or decrease ; depends on individual design Decreases Remains same Increases May increase or decrease ; depends on individual design Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m-xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? The mixture exhibits an azeotrope at 101.3 kPa The mixture contain optical isomers The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10 The mixture exhibits an azeotrope at 101.3 kPa The mixture contain optical isomers The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10 ANSWER DOWNLOAD EXAMIANS APP
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