Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Either A or B Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Either A or B Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ extractor is used for the concentration of radioactive nuclear waste. Seive plate Pulsed column Mixer-settler None of the listed here Seive plate Pulsed column Mixer-settler None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S = 1 S > 1 S < 1 S = ∞ S = 1 S > 1 S < 1 S = ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity None of the listed here Partial pressure of vapour Specific humidity & Partial pressure of vapour Specific humidity None of the listed here Partial pressure of vapour Specific humidity & Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Thermal diffusivity/momentum diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/mass diffusivity Momentum diffusivity/mass diffusivity ANSWER DOWNLOAD EXAMIANS APP