Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) T² 1/T T √T T² 1/T T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Maintaining low critical humidity Maintaining high critical humidity Both A and C Coating the product with inert material Maintaining low critical humidity Maintaining high critical humidity Both A and C Coating the product with inert material ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate does not depend on the crystal size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. -25 > 25 < 25 25 -25 > 25 < 25 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Remains constant Increases Data insufficient, cannot be predicted Decreases Remains constant Increases Data insufficient, cannot be predicted Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Either same or higher than Lower than Higher than Same as Either same or higher than Lower than Higher than Same as ANSWER DOWNLOAD EXAMIANS APP