Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D0.5 D 1/D D2 D0.5 D 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 K ∝ √D K ∝ D K ∝ D2 K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up High pressure drop and high hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Agitator is provided in a crystalliser for Formation of nuclei Avoiding deposition on cooler surfaces Crystal growth All of these Formation of nuclei Avoiding deposition on cooler surfaces Crystal growth All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
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