Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Sublimation Adsorption Evaporation Dehydration Sublimation Adsorption Evaporation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is supplied during cooling tower operation to compensate for water losses due to Evaporation All of these Blowdown Entrainment Evaporation All of these Blowdown Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air None of the listed here Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature None of the listed here Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec 10-1 cm²/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-9 cm/sec 10-1 cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Form a low boiling azeotrope with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a new azeotrope of low relative volatility with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Solid dispersed in liquid Gas dispersed in liquid Liquid dispersed in gas Solid dispersed in gas Solid dispersed in liquid Gas dispersed in liquid Liquid dispersed in gas Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP