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 The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Integral heat of adsorption Differential heat of adsorption Heat of wetting None of these Integral heat of adsorption Differential heat of adsorption Heat of wetting None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies directly as the pressure Varies inversely as the pressure Is equal to the volumetric diffusivity Is independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 20 21.7 27.3 18.7 20 21.7 27.3 18.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied with chemical reaction is exemplified by the absorption of SO₂ in alkaline solution Benzol present in coke oven gas by wash oil Ammonia in water All of these SO₂ in alkaline solution Benzol present in coke oven gas by wash oil Ammonia in water All of these ANSWER DOWNLOAD EXAMIANS APP