Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 3 (Q.No. 24)

Water Supply Engineering

24.

Pick up the correct statement from the following :

Lime may be used to soften the hard water

Excessive use of lime may kill the bacterias

Excessive lime when added to water, raises its pH value

When lime raises pH value of water to about 9.5, 100% bacterias are removed

All the above.

Answer: Option

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