- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.A wetted wall
B bubble cap
C perforated tray
D packed
ANS:A - wetted wall A wetted wall column, also known as a wetted wall scrubber or wet scrubber, is a type of gas-liquid contacting device used for the removal of pollutants or contaminants from a gas stream. It consists of a vertical column with a wetted wall surface along its interior. Here's how it typically works:
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