Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of the gas is __________ the wet bulb temperature. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with maximum boiling azeotrope at 1 atm. Benzene-ethyl alcohol Ethyl alcohol-water Acetone chloroform None of these Benzene-ethyl alcohol Ethyl alcohol-water Acetone chloroform None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then No separation will occur Separation of the constituents is the most effective Solvent flow rate should be very low Amount of solvent required will be minimum No separation will occur Separation of the constituents is the most effective Solvent flow rate should be very low Amount of solvent required will be minimum ANSWER DOWNLOAD EXAMIANS APP
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