SEWERAGE SYSTEM - Practice Mode

1) What is the period for sludge digestion in normal conditions?
Correct Answer: 30 days
2) Which sewer resist sulphide corrosion?
Correct Answer: Lead sewer
3) What is the average temperature of sewage in India?
Correct Answer: 20 Degree Centigrade
4) What is the design of sewage treatment?
Correct Answer: 30-40 years