Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to F/2 2f F 1/f F/2 2f F 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 10 1 9 8 10 1 9 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 5 to 10 2.5 to 3 1.25 to 2 2 to 2.5 5 to 10 2.5 to 3 1.25 to 2 2 to 2.5 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 Both A & B Approach is 10°F Neither A nor B Range is 15°F Both A & B Approach is 10°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Increases Increases linearly Decreases Remains same Increases Increases linearly Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Selectivity of the solvent used in solvent extraction should be 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP