Mass Transfer Desirable value of absorption factor in an absorber is > 1 < 1 0.5 1 > 1 < 1 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids None of these Depend on the humidity of the gas Are different Are same None of these Depend on the humidity of the gas Are different Are same 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? Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Kinematic viscosity Volumetric diffusivity Thermal diffusivity Mass transfer co-efficient Kinematic viscosity Volumetric diffusivity Thermal diffusivity Mass transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the Column diameter increases Number of plates increases Separation becomes more efficient None of these Column diameter increases Number of plates increases Separation becomes more efficient None of these ANSWER DOWNLOAD EXAMIANS APP
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