Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from liquid to gas phase Either A or B Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase Either A or B Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes 1 None of these ? 1 None of these ? ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed with stacked packing In dumped packing of regular units At very high liquid flow rate In towers packed randomly with crushed solids In towers packed with stacked packing In dumped packing of regular units At very high liquid flow rate In towers packed randomly with crushed solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Minimum trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS