Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 3 (Q.No. 45)

Water Supply Engineering

45.

Pick up the correct statement from the following :

Water with hardness upto 75 ppm is considered soft

Water with hardness more than 200 ppm is considered hard

Water needed for laundaries should contain hardness less than 75 ppm

To provide taste during drinking, water should possess hardness between 75 to 120

All the above.

Answer: Option

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