Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ √T T T² T⁴ √T T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.72 0.24 0.6 1 0.72 0.24 0.6 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Co-efficient = Flux/concentration difference None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient Co-efficient = Flux/concentration difference None of the listed here Flux = Co-efficient/concentration difference Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency Increases due to weeping and dumping of liquid Is a function of the mass transfer between liquid and vapour Increases due to foaming Increases due to liquid entrainment Increases due to weeping and dumping of liquid Is a function of the mass transfer between liquid and vapour Increases due to foaming Increases due to liquid entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 5 1 100 10 5 1 100 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Decreases Increases Remains constant Data insufficient, cannot be predicted Decreases Increases Remains constant Data insufficient, cannot be predicted ANSWER DOWNLOAD EXAMIANS APP