engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Environmental Engineering Quality of Water
The maximum permissible limit of total hardness as per CaCO3 (mg/l) in drinking water in the absence of an alternate source, as per IS 10500-2012 is:
1
200
2
1000
3
600
4
1400
5
800