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 Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. Isotopes of uranium SO₂ and air Isotopes of helium N₂ and O₂ from air Isotopes of uranium SO₂ and air Isotopes of helium N₂ and O₂ from air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. None of these Film Surface-renewal Penetration None of these Film Surface-renewal Penetration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And dehumidified with decrease in wet bulb temperature And dehumidified with increase in wet bulb temperature And humidified At the same relative humidity And dehumidified with decrease in wet bulb temperature And dehumidified with increase in wet bulb temperature And humidified At the same relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as Re0.83 Re0.53 Re0.33 Re Re0.83 Re0.53 Re0.33 Re ANSWER DOWNLOAD EXAMIANS APP