Menu
Home / Civil Engineering / Environmental Engineering - Civil Engineering :: Discussion

Discussion :: Environmental Engineering - Civil Engineering

  1. Period of cleaning of slow sand filters is about

    2. A.

     24 - 48 hours
    B.

     10 - 12 days
    C.

     2 - 3 months
    D.

     1 - 2 year

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Explanation Not Provided

Write your comments here:

Be The First To Comment