Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Dehydration Adsorption Evaporation Sublimation Dehydration Adsorption Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Deairation (removal of O₂) of water is done by Rectification Adsorption Ion-exchange Absorption Rectification Adsorption Ion-exchange Absorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then Amount of solvent required will be minimum Solvent flow rate should be very low Separation of the constituents is the most effective No separation will occur Amount of solvent required will be minimum Solvent flow rate should be very low Separation of the constituents is the most effective No separation will occur ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and low hold up High pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the None of these Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column None of these Liquids are not always at their bubble points Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Depend on saturated boiling point; may increase or decrease Remains same Increase Decrease Depend on saturated boiling point; may increase or decrease Remains same Increase ANSWER DOWNLOAD EXAMIANS APP
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