Mass Transfer What is the reflux ratio at total reflux? Zero Infinity Unity Data insufficient Zero Infinity Unity Data insufficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Half Equal to Twice More than Half Equal to Twice More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed Employs only counter-current extraction Is a centrifugal extractor Is a static bed leaching equipment Is used for extraction of oil from oilseed Employs only counter-current extraction Is a centrifugal extractor 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) 10 8.89 8.25 6.89 10 8.89 8.25 6.89 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Humidification only Heating only Evaporative cooling Both heating and humidification Humidification only Heating only Evaporative cooling Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Plate towers Spray towers Wetted wall columns Packed towers Plate towers Spray towers Wetted wall columns Packed towers ANSWER DOWNLOAD EXAMIANS APP
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