Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) 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 The solvent used in liquid-liquid extraction should have __________ less than one. Distribution co-efficient Selectivity Both A & B Neither A nor B Distribution co-efficient Selectivity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Silica gel Bone charcoal Wood charcoal Activated clay Silica gel Bone charcoal Wood charcoal Activated clay ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In rectifying section of a continuous distillation column, the Liquid is stripped of high boilers Vapour is enriched with high boilers None of these Vapour is enriched with low boilers Liquid is stripped of high boilers Vapour is enriched with high boilers None of these Vapour is enriched with low boilers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Partial pressure of component A to the total pressure Vapour pressure of component A to that of component B ANSWER DOWNLOAD EXAMIANS APP
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