UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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Discussion :: UPSC Civil Service Exam Questions

Which of the following waste disposal tasks are achieved by a septic tank with its dispersion tranch ?
1. Aerobic sluge digestion
2. Settling and anaerobic sludge digestion
3. Anaerobic sewage stabilisation
4. Bio-oxidation of effluent
Select the correct answer using the codes given below :

1 and 3

3 and 4

2 and 4

1 and 4

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