Which of the following are the components of water treatment systems? Select only the sewer appurtenances.
1. Manholes
2. Flushing tanks
3. Imhoff tank
4. Aeration tank
5. Storm regulators
1
3, 4 and 5
2
1, 2 and 5
3
2, 3 and 4
4
1, 3 and 4
Which of the following are the components of water treatment systems? Select only the sewer appurtenances.
1. Manholes
2. Flushing tanks
3. Imhoff tank
4. Aeration tank
5. Storm regulators