Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. < 25 25 > 25 -25 < 25 25 > 25 -25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 22190 200-300 43835 > 500 22190 200-300 43835 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is Affected by pressure A plot of temperature vs. vapour composition Not affected by pressure A plot of temperature vs. liquid composition Affected by pressure A plot of temperature vs. vapour composition Not affected by pressure A plot of temperature vs. liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs. log T Log P vs . T P vs . log T T vs . P Log P vs. log T Log P vs . T P vs . log T T vs . P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in Absorption of NH₃ from air by water All liquid-liquid diffusion systems All of these Separation of a binary mixture by distillation Absorption of NH₃ from air by water All liquid-liquid diffusion systems All of these Separation of a binary mixture by distillation ANSWER DOWNLOAD EXAMIANS APP
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