Mass Transfer Selectivity of the solvent used in solvent extraction should be > 1 < 1 1 > 1 < 1 1 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 Solvent flow rate should be very low No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low No separation will occur ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Psychrometric ratio Lewis number Stantan number Sherwood number Psychrometric ratio Lewis number Stantan number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) √(KL².DA) KL/DA² KL².DA KL²/DA √(KL².DA) KL/DA² KL².DA KL²/DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Remains unchanged Increases Depends on the pressure of the system Decreases Remains unchanged Increases Depends on the pressure of the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Increases Decreases Remains unaffected Decreases linearly Increases Decreases Remains unaffected Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
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