| 1. |
Package plants are pre-manufactured treatment facilities used to treat wastewater in small communities or on individual properties. |
|
|
True |
|
|
False |
| 2. |
The most common types of package plants are extended aeration plants, sequencing batch reactors, oxidation ditches, contact stabilization plants, rotating biological contactors, and physical/chemical processes. |
|
|
True |
|
|
False |
| 3. |
Extended aeration systems are typically manufactured to treat wastewater flow rates between _________________. |
|
|
0.002 to 0.1 MGD |
|
|
0.02 to 0.1 MGD |
| 4. |
Sludge wasting is an important step in the sequencing batch reactors process and largely affects system performance. |
|
|
True |
|
|
False |
| 5. |
Package extended aeration plants are typically constructed from iron. |
|
|
True |
|
|
False |
| 6. |
Oxidation ditches can be noisy due to mixer/aeration equipment, and tend to produce odors when not operated correctly. |
|
|
True |
|
|
False |
| 7. |
The capital cost per capita for small Sequencing Batch Reactors (SBR) plants is ___________ than for large SBR plants. |
|
|
Lesser |
|
|
Greater |
| 8. |
The Harrah wastewater treatment plant in Oklahoma treats an average wastewater flow of 0.223 MGD. |
|
|
True |
|
|
False |
| 9. |
The key components of a typical ___________________ include a screening device, an influent distributor, a basin or channel, aeration devices, a settling tank or final clarifier and an RAS system. |
|
|
Oxidation ditch |
|
|
Sequencing Batch Reactor |
| 10. |
Extended aeration processes are often better at handling organic loading and flow fluctuations, as there is a greater detention time for the nutrients to be assimilated by microbes. |
|
|
True |
|
|
False |
|
