Mass Transfer In liquid extraction, if the selectivity is unity, then 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 Amount of solvent required will be minimum Separation of the constituents is the most effective ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sticky material can be dried in a __________ dryer. Tray Rotary None of these Fluidised bed Tray Rotary None of these Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Increases Decreases Data insufficient, cannot be predicted Remains constant Increases Decreases Data insufficient, cannot be predicted Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of NH₃ in water A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water A solution of benzene, toluene and oxylene 35% solution of NH₃ in water A solution of polar organic compounds (not of homologs of a series) 35% solution of camphor in water A solution of benzene, toluene and oxylene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T³ T² T √T T³ T² T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
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