1) Describe the purpose of sedimentation tanks in detail.
2) Describe in detail about rotating biological contactor.
3) Write down the qualities of natural water.
4) Describe demineralisers in detail and write down its uses?
5) Write in detail about organizational problem?
6) What do you understand by field visits?
7) Describe domestic and industrial water treatment with a appropriate example.
8) Write a detailed note on:
(a) Chemical dosing tank and
(b) Filter beds.