Mass Transfer Steady state equimolal counter diffusion is encountered in Separation of a binary mixture by distillation All liquid-liquid diffusion systems All of these Absorption of NH₃ from air by water Separation of a binary mixture by distillation All liquid-liquid diffusion systems All of these Absorption of NH₃ from air by water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.048 0.079 0.122 0.152 0.048 0.079 0.122 0.152 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 The binary diffusivity in gases at atmospheric conditions is about 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Film Surface renewal Penetration None of these Film Surface renewal Penetration None of these ANSWER DOWNLOAD EXAMIANS APP