Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Alkalis Sulphuric acid Nitric acid Hydrochloric acid Alkalis Sulphuric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Higher than Same as Lower than Either same or higher than Higher than Same as Lower than Either same or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In saturated gas, the None of the listed here Vapour is in equilibrium with the liquid at the gas temperature Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature None of the listed here Vapour is in equilibrium with the liquid at the gas temperature Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/momentum diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP