Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Neither A nor B Both the operating lines coincide with diagonal Both A & B The overhead product is minimum Neither A nor B Both the operating lines coincide with diagonal Both A & B The overhead product is minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line always lies below the equilibrium curve Line can be either above or below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line always lies below the equilibrium curve Line can be either above or below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 500 100 1000 50 500 100 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from Dilute solutions, over a small concentration range Gaseous solutions at high pressure None of these Concentrated solutions Dilute solutions, over a small concentration range Gaseous solutions at high pressure None of these Concentrated solutions ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different 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. 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
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