Module 3 Assessment Quiz Solution PDF - WATR 081 Spring 2022

WATR 081 - Spring 2022 Module 3 Assessment Quiz Shabbir Basrai 1. As a rule of thumb, the velocity in a gravity sewer should be at least 2 cubic feet per second to ensure that the solids do not settle out in the sewer lines a. True b. False 2. Fats, oils and grease accumulation in sewers can caus...

WATR 081 - Spring 2022 Module 3 Assessment Quiz Shabbir Basrai 1. As a rule of thumb, the velocity in a gravity sewer should be at least 2 cubic feet per second to ensure that the solids do not settle out in the sewer lines a. True b. False 2. Fats, oils and grease accumulation in sewers can cause sewer overows a. True b. False 3. Groundwater entering sewer collection pipes through cracks and defective pipe joints is termed as inow a. True b. False 4. A Combined sewer system is the one that brings the combined domestic and industrial wastewater ow to the treatment plant a. True b. False 6. Samples collected over several hours during the day and combined are known as: a. Composite samples. b. Grab samples. c. Deep samples. d. Periodic samples. 7. Flow proportionate composite samples are collected because: a. The waste characteristics are continually changing b. The ow is continually changing c. The ow and waste characteristics are continually changing d. This requires less time than grab samples e. All of the above Page 1 of 2 Module 3 Assessment Quiz Shabbir Basrai Answers: 1. b. 2. a. 3. b. 5. d. 6. a. 7. c. Page 2 of 2 WATR 081 - Spring 2022