Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Wetted wall column Packed tower Seive-plate column Bubble-cap plate column Wetted wall column Packed tower Seive-plate column Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In which of the following unit operations, the selectivity is an important parameter? None of these Absorption Solvent extraction Distillation None of these Absorption Solvent extraction Distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Humidity at constant temperature Temperature at constant humidity Both A & B Neither A nor B Humidity at constant temperature Temperature at constant humidity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? ∞ 1 < 1 ∞ 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Packed column (with dumped packing) Pulse column Bubble plate column Packed column (with stacked packing) Packed column (with dumped packing) Pulse column Bubble plate column 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