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
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively >1 and ≈ 1 < 1 and ≈ 1 1 and 0 0 and ≈ 1 >1 and ≈ 1 < 1 and ≈ 1 1 and 0 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is For heat-sensitive materials High temperature distillation Both B and C Very low pressure distillation For heat-sensitive materials High temperature distillation Both B and C Very low pressure distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. More than Very much less Less than Same as More than Very much less Less than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? None of these High gas solubility Low vapor pressure Low viscosity None of these High gas solubility Low vapor pressure Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing In towers packed randomly with crushed solids At very high liquid flow rate In dumped packing of regular units In towers packed with stacked packing In towers packed randomly with crushed solids ANSWER DOWNLOAD EXAMIANS APP
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