Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Ponchan-Savarit method Enthalpy concentration method Plate absorption column McCabe-Thiele method Ponchan-Savarit method Enthalpy concentration method Plate absorption column McCabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Increases tray efficiency Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Increases tray efficiency Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is Unknown Calculated Known Not required Unknown Calculated Known Not required ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon An irreversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 1 600 3.97 0.24 1 600 3.97 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS