Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re/(1 - Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 + Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Selectivity Both A & B Distribution co-efficient Neither A nor B Selectivity Both A & B Distribution co-efficient Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) 8.89 8.25 10 6.89 8.89 8.25 10 6.89 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Removal of __________ exemplifies an adsorption unit operation. None of the listed here Ammonia from coke oven gas Uranium from its ore Water from petrol None of the listed here Ammonia from coke oven gas Uranium from its ore Water from petrol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Wetted wall Bubble cap Perforated tray Packed Wetted wall Bubble cap Perforated tray Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Spray Bubble Tray Packed Spray Bubble Tray Packed ANSWER DOWNLOAD EXAMIANS APP
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