Wastewater III Study Exam question with complete solution 2023 graded A+
Wastewater III Study Exam question with complete solution 2023 graded A+ First action for a polymer spill - correct answer Apply an absorbent to the spill such as sand or kitty litter and then sweep up the materials. Total discharge head includes - correct answer Discharge pressure head + static discharge head + Velocity head (outlet) + Friction Head (discharge line) Where is the best location to collect a sample? - correct answer A location that represents the entire waste stream or basin. What are the preservation and hold times for BOD samples? - correct answer 48 hours at < or = to 6 degrees C. Define BOD. - correct answer The rate at which organisms use the oxygen in water or waste water while stabilizing decomposeable organic matter under aerobic conditions. What is the purpose of a dessicator? - correct answer To allow residual samples to control moisture prior to weighing. What will happen if the flow to the grit chamber is too low? - correct answer Too much organic material will be deposited. How does an operator control the suspended solids in an activated sludge basin? - correct answer By wasting and returning activated sludge. Chlorine combines with ammonia to form what - correct answer Chloramines
Written for
- Institution
- Wastewater treatment operator
- Course
- Wastewater treatment operator
Document information
- Uploaded on
- June 6, 2023
- Number of pages
- 7
- Written in
- 2022/2023
- Type
- Exam (elaborations)
- Contains
- Questions & answers
Subjects
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wastewater iii study exam question with complete s
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first action for a polymer spill apply an absorben
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total discharge head includes discharge pressure h
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where is the best location to collect a sample
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