Mass Transfer During the constant rate period of drying of a solid, None of these Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs None of these Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Neither A nor B Both A & B Diameter < 0.6 Height < 6 Neither A nor B Both A & B Diameter < 0.6 Height < 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the mutual solubility of two liquids Increases Remains unchanged Decreases exponentially Decreases Increases Remains unchanged Decreases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Decoction None of these Percolation Elutriation or elution Decoction None of these Percolation Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load Increased reflux ratio Greater degree of separation with a fixed number of trays None of these Increased reboiler load Increased reflux ratio Greater degree of separation with a fixed number of trays None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when 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 The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms A total condenser is used ANSWER DOWNLOAD EXAMIANS APP