Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. > 100 100 < 100 None of these > 100 100 < 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of pencillin employs a __________ extraction coloumn. None of these Packed Plate Centrifugal None of these Packed Plate Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Size Porosity Cost Durability Size Porosity Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Dew point Neither A nor B Both A & B Wet bulb Dew point Neither A nor B Both A & B Wet bulb ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS