Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Film None of these Surface-renewal Penetration Film None of these Surface-renewal Penetration 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 (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 Molecular seives are porous Silica None of these Alumina Synthetic zeolites crystals/metal alumino-silicates Silica None of these Alumina Synthetic zeolites crystals/metal alumino-silicates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Straight Both A & B Neither A nor B Parallel Straight Both A & B Neither A nor B Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Gas absorption Humidification Binary distillation Adsorption Gas absorption Humidification Binary distillation Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 100 Between 0 and 100 50 100 Between 0 and 100 50 ANSWER DOWNLOAD EXAMIANS APP