Discussion :: Water Supply Engineering
-
Pick up the correct statement from the following :
A.
Water with hardness upto 75 ppm is considered soft
|
B.
Water with hardness more than 200 ppm is considered hard
|
C.
Water needed for laundaries should contain hardness less than 75 ppm
|
D.
To provide taste during drinking, water should possess hardness between 75 to 120
|
E.
All the above.
|
Be The First To Comment