CWEA Collection Systems Maintenance Practice Questions for CWEA Grade 1 and 2 Tests Answered Correctly Latest 2023 Graded

CWEA Collection Systems Maintenance Practice Questions for CWEA Grade 1 and 2 Tests Answered Correctly Latest 2023 Graded. Which conditions should a gas detection device test for? - Answer Hydrogen sulfide, explosive/flammable gases, oxygen What does "LEL" mean on a gas detection meter? - Answer Lower Explosive Limit The oxygen level alarm normally goes off if oxygen levels are below: - Answer 19.5 percent When developing an S.O.P. for scheduled maintenance of electrical equipment, what program should be addressed as a primary safety guideline? - Answer The L.O.T.O Program What does L.O.T.O. Stand for? - Answer Lock out tag out What document would you require to be referenced when developing an S.O.p. for hazardous substace spill clean up? - Answer M.S.D.S. in developing an S.O.P. for air monitoring in a Permit Required Confined Space you would include what two factors? - Answer Placement of the blower and a weather forecast According to the State Water Resources Control Board Order No. 2006-003-DWQ, each enrollee must develop and implement a system-specific: - Answer SSMP (Sewer System Management Plan) How long do you have to report a category 1 SSO? - Answer 2 hours To report in the Statewide SSO Data-base California Integrated Water Quality System (CIWQS) regarding the location of a Category 2 SSO, how must you report the location? - Answer Using the GPS coordinates Biological activity in long, sluggish-flow, flat grade sewer lines will likely cause: - Answer odors Flatter sewer line grades may cause added sewer maintenance expense and odor nuisance. This is caused by what? - Answer A decrease in velocity which allows organic and inorganic solids to settle out. This, in turn, allows biological activity to happen which corrodes the pipe and releases hydrogen sulfide (H2S) which smells like rotten eggs