Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Heating only Both heating and humidification Evaporative cooling Humidification only Heating only Both heating and humidification Evaporative cooling Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Small cross-section column Less number of trays Low reflux ratio High reflux ratio Small cross-section column Less number of trays Low reflux ratio High reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Low pressure drop on pumping Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics All of these Low pressure drop on pumping Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics 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. Less than More than Very much less Same as Less than More than Very much less Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Activation energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Activation energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
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