Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches Integral heat of adsorption None of these That of normal condensation Zero Integral heat of adsorption None of these That of normal condensation Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Freundlich equation applies to the adsorption of solute from Concentrated solutions Dilute solutions, over a small concentration range None of these Gaseous solutions at high pressure Concentrated solutions Dilute solutions, over a small concentration range None of these Gaseous solutions at high pressure 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) 8.25 8.89 6.89 10 8.25 8.89 6.89 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Physical properties Chemical properties Interfacial area Degree of turbulence Physical properties Chemical properties Interfacial area Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Relative humidity Wet bulb temperature None of these Partial pressure of water vapor Relative humidity Wet bulb temperature None of these Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS