engineering recuitment Haryana CET (HSSC) JE Civil 2023 Mock Test Environmental Engineering Water Treatment
Chlorine use in the treatment of 10000 m3 of water per day is 3 kg. The residual chlorine after 10 min of contact period is 0.1 mg/l. Calculate the chlorine demand of the water.
1
0.1 mg/l
2
0.2 mg/l
3
0.3 mg/l
4
0.4 mg/l