Mass Transfer Priming in a distillation column Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Reduces the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of a saturated gas phase equals the __________ temperature. Gas None of these Room Wet bulb Gas None of these Room Wet bulb 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 8.25 8.89 6.89 10 8.25 8.89 6.89 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is < 1 0.5 > 1 1 < 1 0.5 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the Vacuum distillation Multicomponent distillation High pressure operation Small sizes Vacuum distillation Multicomponent distillation High pressure operation Small sizes ANSWER DOWNLOAD EXAMIANS APP