WATR 081 - Spring 2022 Module 2 Assessment Quiz PDF

WATR 081 - Spring 2022 Module 2 Assessment Quiz Shabbir Basrai 1. Conductivity is a very useful test for assessing sea water intrusion into sewer lines a. True b. False 2. Domestic wastewater generally contains only about 0.1a. True b. False 3. Total solids are made up of dissolved and suspended...

WATR 081 - Spring 2022 Module 2 Assessment Quiz Shabbir Basrai 1. Conductivity is a very useful test for assessing sea water intrusion into sewer lines a. True b. False 2. Domestic wastewater generally contains only about 0.1a. True b. False 3. Total solids are made up of dissolved and suspended solids both of which contain organic and inorganic matter a. True b. False 4. pH value less than 7 indicates an alkaline or basic condition a. True b. False 5. BOD5 and TSS are both used to measure the strength of wastewater a. True b. False 6. Typical domestic wastewater BOD content is about 2000mg/l a. True b. False 7. A device called an Imho cone is commonly used to measure settleable solids in: a. Percent b. mL/L c. mg/L d. ppm e. SVI units 8. Which of the owing statement(s) is/are true with regards to BOD 1) BOD test results are suitable for quickly establishing process eciencies 2) BOD value is always greater than the COD value of the same wastewater sample 3) BOD is expressed in mg/ L or in ppm 4) BOD is the measure of organic strength 5) BOD stands for biological oxygen demand a. 3) and 4) b. 4) and 5) c. 1), 4) and 5) d. 1), 2) and 4) e. 1) and 2) Answers: Page 1 of 2 Module 2 Assessment Quiz 1. 2. 3. 4. 5. 6. 7. 8. Shabbir Basrai a. a. a. b. a. b. b. a. Page 2 of 2 WATR 081 - Spring 2021