UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

Which of the following treatment(s) will be indicated for a rural water supply from a deep groundwater source ?
1. Sedimentation.
2. Alum dosage.
3. Potassium permanganate dosing.
4. Bleaching powder application.
Select the correct answer using the codes given below :

1, 2 and 3

1, 2 and 4

3 and 4

4 alone

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