Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The percentage humidity is less than the relative humidity only at __________ percent humidity. Hundred Zero Both zero and hundred None of these Hundred Zero Both zero and hundred None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture. Free Unbound Bound Critical Free Unbound Bound Critical ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Packed extraction tower Mixer-settler extractor Centrifugal extractor Pulsed extractor Packed extraction tower Mixer-settler extractor Centrifugal extractor Pulsed extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases linearly Decreases Remains same Increases Decreases linearly Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
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