L 8 | Chemical Water Quality Parameter - Hardness | Environmental Engineering
1:22:04
L 9 | Chemical Water Quality Parameter - Hardness & Alkalinity | Environmental Engineering
1:10:48
L 10 | Chemical Water Quality Parameter - Nitrogen Content - Chloride Content | Environmental Engg.
1:15:22
L 8 | Filtration | Environmental Engineering | Pratik Mishra
1:10:27
L 12 | Biological water Quality Parameter | Environmental Engineering | Pratik Mishra
1:19:16
L 7 | Flocculation | Environmental Engineering | Pratik Mishra
1:19:05
L 16 | Minor methods of Treatments | Environmental Engineering | Pratik Mishra
1:13:49
L 15 | Softening | Environmental Engineering | Pratik Mishra
1:09:21