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 (De.t)1/2 (4De/t) (4De/πt)1/2 (De/t)1/2 (De.t)1/2 (4De/t) (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes 1 None of these ? 1 None of these ? ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 1/D D D2 D0.5 1/D D D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Molal concentration Velocity head Density Kinematic viscosity Molal concentration Velocity head Density Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs. log T T vs . P P vs . log T Log P vs . T Log P vs. log T T vs . P P vs . log T Log P vs . T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP