Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D0.5 D 1/D D2 D0.5 D 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature Decreases with temperature May increase or decrease with temperature Is independent of temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Inversely None of these Linearly Exponentially Inversely None of these Linearly Exponentially ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "cooling range" in a cooling tower refers to the difference in the temperature of Hot water entering the tower and the cooled water leaving the tower Cold water leaving the tower and the wet bulb temperature of the surrounding air None of the listed here Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower Cold water leaving the tower and the wet bulb temperature of the surrounding air None of the listed here Hot water entering the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Decreases May increase on decrease, depends on the system Does not vary Increases Decreases May increase on decrease, depends on the system Does not vary Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Neither A nor B Range is 15°F Approach is 10°F Both A & B Neither A nor B Range is 15°F Approach is 10°F Both A & B ANSWER DOWNLOAD EXAMIANS APP
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