Mass Transfer In saturated gas, the Vapour is in equilibrium with the liquid at the room temperature Vapour is in equilibrium with the liquid at the gas temperature None of the listed here Partial pressure of vapour equals the vapour pressure of the liquid at room temperature Vapour is in equilibrium with the liquid at the room temperature Vapour is in equilibrium with the liquid at the gas temperature None of the listed here Partial pressure of vapour equals the vapour pressure of the liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Degree of ideality of the solution Both A & B Viscosity with concentration Neither A nor B Degree of ideality of the solution Both A & B Viscosity with concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Temperature Total pressure None of these Vapour pressure of either component Temperature Total pressure None of these Vapour pressure of either component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) Sieve-plate column Bubble-cap column Randomly packed column Packed column (stacked) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 9 1 8 10 9 1 8 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower Grid tray tower Bubble cap tower Wetted wall tower Perforated tray tower ANSWER DOWNLOAD EXAMIANS APP