Mass Transfer Blowdown in a cooling tower Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Is of low volatility Forms a low boiling azeotrope Forms a high boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility Forms a low boiling azeotrope Forms a high boiling azeotrope Does not alter the relative volatility of the original components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase Higher contact area Better contact of the phase None of these Repeated coalescence & redispersion of the drop phase Higher contact area Better contact of the phase None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Multicomponent absorption with chemical reaction Liquid-liquid extraction Solid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Liquid-liquid extraction Solid-liquid extraction Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 0.54 1.24 1.94 1.04 0.54 1.24 1.94 1.04 ANSWER DOWNLOAD EXAMIANS APP
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