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 Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Slope of the operating line in stripping section decreases Liquid flow increases while the vapor flow decreases for a system Number of plates decreases very slowly first and then more and more rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Remain unchanged Increase/decrease ; depends on the temperature Increase Decrease Remain unchanged Increase/decrease ; depends on the temperature Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Results from very low gas velocity Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the None of these Heat of mixing is negligible Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes None of these Heat of mixing is negligible Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Interfacial area Degree of turbulence Physical properties Chemical properties Interfacial area Degree of turbulence Physical properties ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rose oil is extracted from rose leaves using __________ distillation. Steam Low pressure Extractive High pressure Steam Low pressure Extractive High pressure ANSWER DOWNLOAD EXAMIANS APP