Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 2.5 0.0025 0.25 1.25 2.5 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum possible diameter of a packed coloumn is decided mainly by the Liquid density Liquid hold up Flooding Gas viscosity Liquid density Liquid hold up Flooding Gas viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Agitated film evaporator Calendria Long tube vertical evaporator Short tube evaporator Agitated film evaporator Calendria Long tube vertical evaporator Short tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux. Maximum permissible Minimum Operating Total Maximum permissible Minimum Operating Total ANSWER DOWNLOAD EXAMIANS APP