Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. None of these Lewis Grashoff Sherwood None of these Lewis Grashoff Sherwood ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed with stacked packing In dumped packing of regular units In towers packed randomly with crushed solids At very high liquid flow rate In towers packed with stacked packing In dumped packing of regular units In towers packed randomly with crushed solids At very high liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Both A & B Increase in air humidity Neither A nor B Decrease in air temperature Both A & B Increase in air humidity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Data insufficient, can't be predicted Decrease Increase Remain same Data insufficient, can't be predicted Decrease Increase Remain same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. None of these Molal Relative Percentage None of these Molal Relative Percentage ANSWER DOWNLOAD EXAMIANS APP
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