Menu
Home / Civil Engineering / Water Supply Engineering :: Discussion

Discussion :: Water Supply Engineering

  1. The duration of contact of chlorine with water before it is served to the first consumer, should be at least

    2. A.
    10 to 15 minutes
    B.
    15 to 20 minutes
    C.
    20 to 30 minutes
    D.
    30 to 40 minutes
    E.
    one hour.

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    No answer description available for this question. Let us discuss.

Write your comments here:

Be The First To Comment