Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Increase Can either increase or decrease, depends on the system Decrease Remain unchanged Increase Can either increase or decrease, depends on the system Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. Isotopes of helium SO₂ and air Isotopes of uranium N₂ and O₂ from air Isotopes of helium SO₂ and air Isotopes of uranium N₂ and O₂ from air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary system, separation is very efficient, when the relative volatility is < 1 1 0.5 > 1 < 1 1 0.5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
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 An azeotrope forms A total condenser is used Saturated feed is not used The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms A total condenser is used Saturated feed is not used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The recovery of pencillin from the acidified fermentation broth is done by Absorption Distillation Evaporation Liquid extraction Absorption Distillation Evaporation Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
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