Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D 1/D D0.5 D2 D 1/D D0.5 D2 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 High pressure drop and high hold up High pressure drop and low hold up Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and high hold up High pressure drop and low hold up Low pressure drop and high hold up Low pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Is undesirable Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are regenerated by heating to __________ °C. > 500 200-330 < 150 > 1000 > 500 200-330 < 150 > 1000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is -1 + ve 1 - ve -1 + ve 1 - ve 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 Decreases linearly Remains unaffected Decreases Increases Decreases linearly Remains unaffected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP