Question | Answer | % Correct |
---|---|---|
Which of the following is an important step in waste water treatment? | All of the above | 100%
|
Which of the following are important reasons for adequate treatment of a community's waste water? | All of the above | 92%
|
A rotating biological contactor is ________. | a type of biological secondary treatment process | 92%
|
The purpose of the microorganisms that are present in biological treatment processes is to ________. | trap and consume contaminants in wastewater | 92%
|
The extent of treatment required for a waste water discharge depends on ________. | water quality standards set for the receiving stream | 92%
|
If a waste water treatment plant does not discharge to a receiving stream, the effluent could be disposed of by which of the following? | All of the above | 85%
|
The protozoa that cause amoebic dysentery would most likely be destroyed by _________. | disinfection | 85%
|
Essential parts of the waste water collection system include ________. | manholes and pipes | 85%
|
Grit removal is usually accomplished in ________. | preliminary treatment | 85%
|
The condition of the raw waste water entering the treatment plant could be affected by which of the following? | All of the above | 77%
|
Important factors that determine the type of treatment scheme that will be used include which of the following? | All of the above | 77%
|
Using the final effluent from a waste water treatment plant to irrigate pasture land would ________. | be a beneficial way to reuse waste water | 77%
|
Hauling sludge to a landfill is a common method of ________. | sludge disposal | 77%
|
Thickening of waste water sludges, a process that removes excess water, usually precedes _________. | stabilization | 62%
|
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