Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 1 to 5 5 to 10 > 10 1 1 to 5 5 to 10 > 10 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 1 9 10 8 1 9 10 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Total Maximum permissible Minimum Operating Total Maximum permissible Minimum Operating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Is same as Cannot be predicted as data are insufficient Is lower than Is greater than Is same as Cannot be predicted as data are insufficient Is lower than Is greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rate of leaching increases with increasing Pressure Viscosity of solvent Size of the solid Temperature Pressure Viscosity of solvent Size of the solid Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Either A or B; depends on the gas Increases Decreases Remains same Either A or B; depends on the gas Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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