Mass Transfer In case of an absorber, the operating Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' Decrease both 'G' and 'S' Increase both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low vapor pressure None of these Low viscosity High gas solubility Low vapor pressure None of these Low viscosity High gas solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusivity of a liquid Is independent of temperature Decreases with temperature Increases with temperature May increase or decrease with temperature Is independent of temperature Decreases with temperature Increases with temperature May increase or decrease with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Increases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
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