engineering recuitment TNPSC AE Civil 2024 Test series Environmental Engineering Quality and Characteristics of Sewage
Five day BOD at 15° C of the sewage of a town is 100 kg/day. If the 5-day BOD per head at 15° C for standard sewage is 0.1 kg/day, then the population equivalent is
1
100
2
1000
3
5000
4
10000