Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T T² 1/T T √T T² 1/T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The unit of volumetric diffusivity is Cm²/seC₂ Cm²/sec Cm/sec Cm³/sec Cm²/seC₂ Cm²/sec Cm/sec Cm³/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature None of these Dehumidification with dry bulb temperature remaining constant Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature None of these Dehumidification with dry bulb temperature remaining constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Decoction None of these Percolation Elutriation or elution Decoction None of these Percolation Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Pulse column Packed column (with stacked packing) Packed column (with dumped packing) Bubble plate column Pulse column Packed column (with stacked packing) Packed column (with dumped packing) Bubble plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP