UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

Home / Civil Engineering / UPSC Civil Service Exam Questions :: Discussion

Discussion :: UPSC Civil Service Exam Questions

Consider the following statements :
Ventilation of sewer lines is necessary to
1. avoid building up to sewer gases.
2. ensure atmospheric pressure in the waste water surface.
3. ensure the safety of sewer maintenance people.
4. provide oxidation facility to sewage.
Which of these statements are correct ?

1, 2 and 4

1, 3 and 4

2, 3 and 4

1, 2 and 3

View Answer