Statistics for Texas Basic Waste Water Operations Ch#10 Stabilization Ponds

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Question	Answer	% Correct
The treatment of organic matter in a stabilization or facultative pond depends upon sunlight, algae, and bacteria.	True	80%
In stabilization and facultative ponds, aerobic bacteria consume organic material, produce carbon dioxide, and, with sunlight, (algae) consume carbon dioxide and produce oxygen.	True	80%
Ponds should be fitted with inlets having multiple outlets to control short-circuiting.	True	80%
Organic loading of a stabilization pond is about ________ pounds of BOD per acre per day with a detention time of at least ________ days.	35/30	60%
Anaerobic ponds require sunlight, algae, and dissolved oxygen to be present.	False	60%
Levees must have a top width of at least 10 feet for fishing and picnic tables.	False	60%
The purpose of a wastewater pond is to treat wastewater by natural processes in a warm climate with ample sunshine and low rainfall.	True	60%
One surface acre furnishes treatment for about ________ people.	300	40%
It is recommended that the following samples be taken daily: pH, temperature, and ________.	DO	20%
In stabilization ponds, aerobic conditions exist throughout the pond length.	False	20%
Under ideal conditions in a stabilization pond, BOD is reduced ________.	85-90%	0%
A pond should be lined and the soil compacted to prevent seepage into surface water	False	0%
Large vegetation should be removed within 2 feet of the embankment and vegetation should be maintained at a mowing level.	False	0%