Sewage Treatment Units
Sewage treatment units are typically designed to last for 15-20 years. This is because the design of these units takes into account the average flow of sewage that will be treated, as well as the expected lifespan of the materials used in the construction.
Question
Que 34. Sewage treatment units are usually designed for:
- a) 5-10 years
- b) 15-20 years
- c) 30-40 years
- d) 50 years
Answer
The answer is b) 15-20 years.