MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The sludge particles concentration is increased by the growth of the organism in aeration tanks. |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 2. |
Mechanical stirring can be done instead of injection of air from the bottom. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 3. |
Which are the three ingredients in activated sludge systems? |
| A. | tCells, sewage and oxygen |
| B. | tCells, sewage and nitrogen |
| C. | tSolids, sewage and oxygen |
| D. | tSolids, water and oxygen |
| Answer» B. tCells, sewage and nitrogen | |