Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity All of these Helps in increasing the settling rate of the bubbles Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Tunnel Tray None of these Rotary Tunnel Tray None of these Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large free cross-section Large surface per unit volume Large weight of liquid retained Low weight per unit volume Large free cross-section Large surface per unit volume Large weight of liquid retained Low weight per unit volume ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For absorbing a sparingly soluble gas in a liquid 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 Liquid side mass transfer co-efficient should be decreased ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, The top and bottom compositions correspond to the maximum enrichment available Reboiler load and condenser load are minimum Composition of vapors and that of liquid do not vary throughout the column The top and bottom compositions are unchanged with and without total reflux The top and bottom compositions correspond to the maximum enrichment available Reboiler load and condenser load are minimum Composition of vapors and that of liquid do not vary throughout the column The top and bottom compositions are unchanged with and without total reflux ANSWER DOWNLOAD EXAMIANS APP
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