Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) μ μ² 1/μ √μ μ μ² 1/μ √μ 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 8 1 10 9 8 1 10 9 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. > 10 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as Re0.33 Re Re0.83 Re0.53 Re0.33 Re Re0.83 Re0.53 ANSWER DOWNLOAD EXAMIANS APP