Mass Transfer In which of the following unit operations, the selectivity is an important parameter? None of these Absorption Distillation Solvent extraction None of these Absorption Distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? None of these Relative humidity Wet bulb temperature Partial pressure of vapour None of these Relative humidity Wet bulb temperature Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is 0.6 0.5 2 1 0.6 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Degree of ideality of the solution Viscosity with concentration Both A & B Neither A nor B Degree of ideality of the solution Viscosity with concentration Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow All of these Constant relative volatility Total reflux Constant molal overflow All of these Constant relative volatility Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when An azeotrope forms Saturated feed is not used The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used An azeotrope forms Saturated feed is not used The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used ANSWER DOWNLOAD EXAMIANS APP