Mass Transfer Tea percolation employs Absorption Leaching None of these Liquid-liquid extraction Absorption Leaching None of these Liquid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity Thermal diffusivity to the mass diffusivity None of these Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity Thermal diffusivity to the mass diffusivity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases The partial pressure of water vapour increases The specific humidity decreases The relative humidity increases The relative humidity decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Bubble cap Wetted wall Perforated tray Packed Bubble cap Wetted wall Perforated tray Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Interfacial Both liquid and gas side Gas side Liquid side Interfacial Both liquid and gas side Gas side Liquid side ANSWER DOWNLOAD EXAMIANS APP
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