Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Dehydration Sublimation Adsorption Evaporation Dehydration Sublimation Adsorption Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Large latent heat Small latent heat Low viscosity None of these Large latent heat Small latent heat Low viscosity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Wetted wall column Packed tower Bubble-cap plate column Seive-plate column Wetted wall column Packed tower Bubble-cap plate column Seive-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Drift All of these Evaporation Blowdown and leakage Drift All of these Evaporation Blowdown and leakage ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number. Sherwood Peclet Schmidt Stanton Sherwood Peclet Schmidt Stanton ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only Both heating and humidification Heating only Evaporative cooling ANSWER DOWNLOAD EXAMIANS APP
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