Mass Transfer Solvent used in extractive distillation Does not alter the relative volatility of the original components Is of low volatility Forms a high boiling azeotrope Forms a low boiling azeotrope Does not alter the relative volatility of the original components Is of low volatility Forms a high boiling azeotrope Forms a low boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Both A & B Neither A nor B Temperature at constant humidity Humidity at constant temperature Both A & B Neither A nor B Temperature at constant humidity Humidity at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 1 3 4 2 1 3 4 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 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 The caking of crystals can be prevented by Maintaining high critical humidity Both A and C Maintaining low critical humidity Coating the product with inert material Maintaining high critical humidity Both A and C Maintaining low critical humidity Coating the product with inert material ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Zero reflux ratio Minimum reflux ratio No reflux Total reflux Zero reflux ratio Minimum reflux ratio No reflux Total reflux ANSWER DOWNLOAD EXAMIANS APP