engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Environmental Engineering Sewage Sewage Treatment
Which of the following biological unit process is based on suspended growth system
1. Activated sludge process
2. Aerated lagoon
3. Rotating Biological contractors
4. Aerobic and Anaerobic Digester
1
1 and 2
2
1, 2 and 3
3
2, 3 and 4
4
1, 2 and 4