Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Increase Decrease or increase ; depends on the type of liquid Remain unaffected Decrease Increase Decrease or increase ; depends on the type of liquid Remain unaffected Decrease ANSWER DOWNLOAD EXAMIANS APP
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 Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system Total cost first decreases and then increases Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Liquid flow increases while the vapor flow decreases for a system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 600 1 0.24 3.97 600 1 0.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Can use any type of units Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method Can use any type of units Uses molal units for material and energy balance Uses weight fractions to express liquid and vapour composition Is more accurate than Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "cooling range" in a cooling tower refers to the difference in the temperature of None of the listed here Hot water entering the tower and the cooled water leaving the tower Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the wet bulb temperature of the surrounding air None of the listed here Hot water entering the tower and the cooled water leaving the tower Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
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