Mass Transfer A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height. 70-80 30-40 44119 90-100 70-80 30-40 44119 90-100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P = P P >>P P < P P P = P P >>P P < P P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 1 to 5 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 Remains unaffected Decreases Increases Decreases linearly Remains unaffected Decreases Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter of raschig rings used in packed tower in industry is normally around __________ inches. 18 2 12 8 18 2 12 8 ANSWER DOWNLOAD EXAMIANS APP
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