Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T T² T³ √T T T² T³ √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Low weight per unit volume Large weight of liquid retained Large surface per unit volume Large free cross-section Low weight per unit volume Large weight of liquid retained Large surface per unit volume Large free cross-section ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Decolouration of yellow glycerene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer High pressure at the bottom of a distillation tower handling heat sensitive materials results in Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower Increased relative volatility Very efficient operation Thermal decomposition of bottoms Erosion of the tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in All liquid-liquid diffusion systems Absorption of NH₃ from air by water All of these Separation of a binary mixture by distillation All liquid-liquid diffusion systems Absorption of NH₃ from air by water All of these Separation of a binary mixture by distillation ANSWER DOWNLOAD EXAMIANS APP