SEWERAGE SYSTEM - Quiz

1) What is the period for sludge digestion in normal conditions?

10 days 20 days 30 days 60 days

2) Which sewer resist sulphide corrosion?

Brick sewer Cast iron sewer R.C.C. sewer Lead sewer

3) What is the average temperature of sewage in India?

10 Degree Centigrade 15 Degree Centigrade 20 Degree Centigrade 25 Degree Centigrade

4) What is the design of sewage treatment?

5-10 years 15-20 years 30-40 years 40-50 years