Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing None of these Humidified at constant wet bulb temperature Dehumidified Humidified with wet bulb temperature decreasing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.079 0.152 0.048 0.122 0.079 0.152 0.048 0.122 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Azeotropes Heat sensitive materials Mixtures of low relative volatility High boiling substances from nonvolatile impurities Azeotropes Heat sensitive materials Mixtures of low relative volatility High boiling substances from nonvolatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.31 0.017 0.107 0.215 0.31 0.017 0.107 0.215 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be decreased Mass transfer co-efficient must be kept constant Gas side mass transfer co-efficient should be increased Liquid side mass transfer co-efficient should be increased ANSWER DOWNLOAD EXAMIANS APP
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