Mass Transfer In a binary system, separation is very efficient, when the relative volatility is 1 > 1 < 1 0.5 1 > 1 < 1 0.5 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 Hot water entering and the cooled water leaving the cooling tower Cold water leaving the tower and the wet bulb temperature of the surrounding air None of these Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower Cold water leaving the tower and the wet bulb temperature of the surrounding air None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T T³ √T T² T T³ √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? ∞ 1 < 1 ∞ 1 < 1 ANSWER DOWNLOAD EXAMIANS APP