WUS 081 - Spring 2022 Module 2 Assessment Quiz

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Questions and Answers

Conductivity is a very useful test for assessing sea water intrusion into sewer lines.

  • True (correct)
  • False

Total solids are made up of dissolved and suspended solids, both of which contain organic and inorganic matter.

  • False
  • True (correct)

A pH value less than 7 indicates an alkaline or basic condition.

  • True
  • False (correct)

BOD5 and TSS are both used to measure the strength of wastewater.

<p>True (B)</p> Signup and view all the answers

Which of the following statement(s) is/are true with regards to BOD?

<p>1), 4) and 5) (A)</p> Signup and view all the answers

What is the purpose of using conductivity as a test for assessing sea water intrusion into sewer lines?

<p>To detect the presence of sea water based on its conductive properties (D)</p> Signup and view all the answers

What is the typical BOD content of domestic wastewater?

<p>2500 mg/l (A)</p> Signup and view all the answers

In what units is settleable solids commonly measured using an Imhoff cone?

<p>Percent (B)</p> Signup and view all the answers

Which statement(s) about BOD are true?

<p>BOD test results are suitable for quickly establishing process efficiencies (A)</p> Signup and view all the answers

What does a pH value less than 7 indicate?

<p>An acidic condition (D)</p> Signup and view all the answers

What are total solids made up of?

<p>Both dissolved and suspended solids containing organic and inorganic matter (C)</p> Signup and view all the answers

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