engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Environmental Engineering Quality of Water
Which of the following pairs are correctly matched?
|
List – I (Tests) |
List – II (Purpose) |
|
A. Lime soda process |
I. Softening |
|
B. Nalgonda technique |
II. Fluoride removal |
|
C. Aeration |
III. Coagulation |
|
D. Ozonation |
IV. Disinfection |
1
I, II and III
2
I, III and IV
3
I, II and IV
4
II, III and IV