Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Remains constant Is maximum Decreases rapidly Increases rapidly Remains constant Is maximum Decreases rapidly Increases rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Vapour pressure of either component Temperature Total pressure None of these Vapour pressure of either component Temperature Total pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Design calculation for multiple component distillation is done by Enthalpy concentration method Ponchon-Savarit method Tray to tray calculations Mccabe-Thiele method Enthalpy concentration method Ponchon-Savarit method Tray to tray calculations Mccabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is None of these Slightly concave upward Slightly concave downward Straight line None of these Slightly concave upward Slightly concave downward Straight line ANSWER DOWNLOAD EXAMIANS APP
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