| Question | Answer | % Correct |
|---|---|---|
| Which of the following are types of ponds used in treatment? | All of the above | 82%
|
| Facultative lagoons should be which of the following? | All of the above | 82%
|
| Wastewater stabilization ponds are usually ________. | 3–5 ft. deep | 73%
|
| Which of the following is an example of a pond classified according to its dissolved oxygen content? | All of the above | 73%
|
| Which of the following describes waste water stabilization ponds? | All of the above | 73%
|
| Control tests on pond effluents include which of the following? | BOD, TSS and PH | 73%
|
| ________ are essential to the efficient operation of a wastewater stabilization pond. | Dissolved oxygen, algae, and bacteria | 73%
|
| A chemical factor influencing the efficiency of wastewater stabilization ponds is ________. | carbon dioxide | 64%
|
| Which of the following applies to multiple inlets and outlets? | Shall be above water AND will assure an evenly distributed flow | 64%
|
| Raw wastewater anaerobic ponds are usually not used by ________. | municipalities | 55%
|
| The ideal orientation of a wastewater stabilization pond would be ________. | parallel with prevailing winds | 55%
|
| Wastewater stabilization ponds will effectively reduce ________. | BOD and bacteria | 36%
|
| Good housekeeping around ponds includes ________. | keeping dike clean | 36%
|
| Short-circuiting in a pond will do which of the following? | Reduce the detention time | 36%
|
| The organic loading on wastewater stabilization ponds should not exceed ________. | 35 lb. BOD/acre/day | 18%
|