Mass Transfer For which of the following unit operations, Lewis number is of significance? Humidification Adsorption Binary distillation Gas absorption Humidification Adsorption Binary distillation Gas absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Increases Decreases Does not vary May increase on decrease, depends on the system Increases Decreases Does not vary May increase on decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Amount of solvent required will be minimum Separation of the constituents is the most effective No separation will occur Solvent flow rate should be very low Amount of solvent required will be minimum Separation of the constituents is the most effective No separation will occur Solvent flow rate should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. Steam Azerotropic None of these Continuous Steam Azerotropic None of these Continuous ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ equation applies to diffusivities in liquids. Gilliland None of these Hirschfelder Wilke and Chang Gilliland None of these Hirschfelder Wilke and Chang ANSWER DOWNLOAD EXAMIANS APP