Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Evaporation Dehydration Sublimation Adsorption Evaporation Dehydration Sublimation Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Passes through a maximum Decreases Increases Remains unaffected Passes through a maximum Decreases Increases 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. Higher than Same as Lower than Either same or higher than Higher than Same as Lower than Either same or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Swenson-Walker crystalliser is a __________ unit Semi-batch Cooling (adiabatic)-cum-evaporation Continuous Batch Semi-batch Cooling (adiabatic)-cum-evaporation Continuous Batch ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. 100 None of these > 100 < 100 100 None of these > 100 < 100 ANSWER DOWNLOAD EXAMIANS APP
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