Question 2006 of 234 · California Wastewater Operator Exam
At what temperature is a standard BOD test incubated?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 2006
- A: 20 degrees Celsius
Explanation
BOD bottles are held in the dark at 20 degrees Celsius for five days. 4 degrees Celsius is a sample storage temperature and 103 to 105 degrees Celsius is for drying solids.
More questions: Sampling, Laboratory Analysis and Wastewater Characteristics
- 2007How should a BOD sample be preserved if it cannot be analyzed immediately?
- 2008Total suspended solids (TSS) are determined by
- 2009Volatile solids are the portion of solids that
- 2010Settleable solids are measured with
- 2011Which of the following is a typical value for untreated domestic wastewater BOD?
- 2012Typical secondary effluent limits for BOD and TSS under federal secondary treatment standards are