Mass Transfer
Stacked packing compared to dumped packing

Both A & B
Gives lower pressure drop
Provides poorer contact between the fluids
Gives higher pressure drop

ANSWER DOWNLOAD EXAMIANS APP

Mass Transfer
To get high tray efficiency

Time of contact between the two phases should be less
Gas velocity should be very low
Liquid entrainment should be severe
Interfacial surface between liquid and gas phase should be large

ANSWER DOWNLOAD EXAMIANS APP