Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for the separation of components Which form maximum boiling azeotrope Having very close boiling points Having very wide boiling points Which form minimum boiling azeotrope Which form maximum boiling azeotrope Having very close boiling points Having very wide boiling points Which form minimum boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Adsorption Humidification Gas absorption Binary distillation Adsorption Humidification Gas absorption Binary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be increased 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 decreased Liquid side mass transfer co-efficient should be increased 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 decreased 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 √T T³ T² T √T T³ T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP