Question 2010 of 234 · California Wastewater Operator Exam
Settleable solids are measured with
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 2010
- D: an Imhoff cone over a set time
Explanation
The Imhoff cone test shows the volume of solids that settle from a liter of sample, typically in 45 to 60 minutes. Results are reported in mL/L.
More questions: Sampling, Laboratory Analysis and Wastewater Characteristics
- 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
- 2013The dissolved oxygen level in an aeration tank is commonly maintained at
- 2014Chlorine residual in a sample must be measured
- 2015A sample bottle for bacteriological analysis of chlorinated effluent should contain
- 2016Which group of bacteria is the traditional indicator of fecal contamination?