Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Sublimation Dehydration Evaporation Adsorption Sublimation Dehydration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Mixture with very high relative volatility Heat sensitive materials Constant boiling mixture High boiling mixture Mixture with very high relative volatility Heat sensitive materials Constant boiling mixture High boiling mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 0.0025 1.25 0.25 2.5 0.0025 1.25 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Above Across Both A & B Neither A nor B Above Across Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase ANSWER DOWNLOAD EXAMIANS APP
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