Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Hatta number is important in Gas absorption with chemical reaction Binary distillation Gas absorption without chemical reaction Multicomponent distillation Gas absorption with chemical reaction Binary distillation Gas absorption without chemical reaction Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 1 2 0.5 ∞ 1 2 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Silica gel Activated clay Wood charcoal Bone charcoal Silica gel Activated clay Wood charcoal Bone charcoal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Yes Never Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
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