The standard B.O.D. of water is taken for« Back to Previous Page

A. 1 day B. 2 days C. 3 days D. 5 days E. 10 days.
Posted by Civil Engineer
Asked on August 17, 2016 11:56 am
▲
0
▼

D. 5 days

Posted by Civil Engineer
Answered on August 17, 2016 11:57 am
▲
0
▼

D. 5 days

Posted by Civil Engineer
Answered on August 17, 2016 11:57 am