CWEA QUESTIONS AND ANSWERS ALL CORRECT

Document Content and Description Below

Legally responsible officals are required to report catagory 1 sanitary sewer overflows: Correct Answer: Within two hours When testing a manhole for explosive gases when should the first test be m... ade? Correct Answer: Before removing the manhole cover When setting up to ventilate a manhole,the air inlet should be how many feet above street level? Correct Answer: 2.0 feet Which chemical may be used for odor control in a sewer system? Correct Answer: Hydrogen peroxide A category 2 is: Correct Answer: Any sso which is not a category 1 Which tool would you use for cleaning under a pipe, or hard dirt near a pipe? Correct Answer: Miner's pick When pouring a concrete slab, which of the following tools is used to finish the concrete? Correct Answer: Trowel How can the velocity of water flowing in a sewer be estimated? Correct Answer: Measuring the time it takes for the dye to be carried by the wastewater between the two manholes When a grade conflict exist between a water main and a sewer main, which of the following is the best solution? Correct Answer: Have the water main adjusted and hold the grade on the sewer main A source of infiltration in a collection is: Correct Answer: Broken pipe joints Pipe materials that are the least susceptible to corrosion by acids formed from gases generated in a sewer is: Correct Answer: VCP Liners are installed in sewers to correct problems caused by: Correct Answer: Infiltration "Schedule 40" refers to: Correct Answer: Wall thickness Category 1 SSO is: Correct Answer: A. Any volume reaching a water surface B. Any volume entering a storm drain and not recovered C. Any spill greater the [Show More]

Last updated: 2 years ago

Preview 1 out of 4 pages

Buy Now

Instant download

We Accept: