Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Pollution and Control
In the context of gaseous pollutants control using packed towers, consider the following statements:
(a) The flow of the effluent gas through a packed tower is countercurrent
(b) The packing material should have a small surface to volume ratio
(c) The packing material is used to increase the contact time between the gaseous pollutant and liquid
Which of the above statements are correct?
1
(a) and (b) only
2
(b) and (c) only
3
(a) and (c) only
4
(a), (b) and (c) only