Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Degree of ideality Neither A nor B Viscosity Both A & B Degree of ideality Neither A nor B Viscosity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Randomly packed column Bubble cap column Wetted wall column Sieve plate column Randomly packed column Bubble cap column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Both B and C Relative humidity Wet bulb temperature Partial pressure of vapour Both B and C Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When an unsaturated air-water mixture is heated at constant pressure, then The relative humidity increases The partial pressure of water vapour increases The relative humidity decreases The specific humidity decreases The relative humidity increases The partial pressure of water vapour increases The relative humidity decreases The specific humidity decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Diameter < 0.6 Neither A nor B Both A & B Height < 6 Diameter < 0.6 Neither A nor B Both A & B Height < 6 ANSWER DOWNLOAD EXAMIANS APP
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