Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Neither A nor B Approach is 10°F Range is 15°F Both A & B Neither A nor B Approach is 10°F Range is 15°F Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Depends on the pressure of the system Increases Remains unchanged Decreases Depends on the pressure of the system Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass 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 6.89 8.25 10 8.89 6.89 8.25 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Blowdown and leakage All of these Evaporation Drift Blowdown and leakage All of these Evaporation Drift ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Gas absorption Adsorption Binary distillation Humidification Gas absorption Adsorption Binary distillation Humidification ANSWER DOWNLOAD EXAMIANS APP
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