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Statistics for Texas Waste Water Treatment Ch#10 Advanced Treatment Processes
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General Stats
- This quiz has been taken 31 times
- The average score is 11 of 16
Answer Stats
| Question | Answer | % Correct |
|---|---|---|
| Advanced treatment processes strive to provide a ________ removal level of specific compounds, suspended solids, and oxygen-demanding materials than cannot be achieved through secondary treatment alone. | higher | 100%
|
| ________ is the adsorbent most commonly used for water treatment. | Activated carbon | 91%
|
| Which of the following have been tried as oxidizing agents in wastewater treatment? | All of the above | 91%
|
| Proper ________is essential to filter performance. | cleaning | 82%
|
| Many overlook ________ as an oxidant because of its relative ineffectiveness in conventional waste treatment. | ozone | 82%
|
| The most important factor affecting filter performance is the ________ of the secondary effluent applied to the filter. | quality | 82%
|
| Which of the following is a common coagulant used for chemical precipitation? | All of the above | 73%
|
| Direct filtration of secondary effluent is often used to reduce ________ solids to low levels. | suspended | 73%
|
| The materials found to be practical for phosphorus precipitation include the ionic forms of which of the following? | All of the above | 64%
|
| ________ can cause problems in granular activated carbon (GAC) treatment. | Biological growth | 64%
|
| As ________ materials are decomposed, their phosphorus content is converted to orthophosphate. | organic | 64%
|
| ________ occurs when solutions of two different concentrations are separated by a semipermeable membrane such as cellophane. | Osmosis | 64%
|
| Laboratory-scale studies have shown that the changes occurring in the settlement of the floc are greatly influenced by ________. | biological activity | 55%
|
| Biological denitrification is accomplished under ________ conditions by heterotrophic bacteria that use nitrate during the fermentation of organic carbon materials. | anaerobic | 45%
|
| Electrons pass from the ________ source (the electron donor) to nitrate or nitrite (the electron acceptor) to promote the conversion to nitrogen gas. | carbon | 45%
|
| The use of granular activated carbon (GAC) for ________ removal is common. | organic | 45%
|
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