Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 1 3.97 600 0.24 1 3.97 600 0.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Low viscosity Small latent heat Large latent heat None of these Low viscosity Small latent heat Large latent heat None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the Small sizes Vacuum distillation High pressure operation Multicomponent distillation Small sizes Vacuum distillation High pressure operation Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increased air humidity decreases the rate of drying None of these Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying None of these Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is An irreversible phenomenon A reversible phenomenon Both B & C Accompanied by evolution of heat An irreversible phenomenon A reversible phenomenon Both B & C Accompanied by evolution of heat ANSWER DOWNLOAD EXAMIANS APP