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 (De/t)1/2 (4De/t) (De.t)1/2 (4De/πt)1/2 (De/t)1/2 (4De/t) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the None of these Heat of mixing is negligible Sensible heat changes are negligible compared with latent heat changes Molar latent heats of all components are equal None of these Heat of mixing is negligible Sensible heat changes are negligible compared with latent heat changes Molar latent heats of all components are equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotary dryer Multiple effect evaporator Rotating disc contactor Mechanical draft cooling tower Rotary dryer Multiple effect evaporator Rotating disc contactor Mechanical draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Ammonia present in the coke oven gas is removed by washing with Ethanolamine Dilute ammoniacal liquor Dilute HCl Caustic solution Ethanolamine Dilute ammoniacal liquor Dilute HCl Caustic solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Saturated steam is used for steam distillation Temperature is less Total pressure is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Saturated steam is used for steam distillation Temperature is less Total pressure is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS