CWEA Collection Systems Maintenance Grade 1 and 2 Tests | 140 Questions with 100% Correct Answers | Verified | Latest Update 2024

Why are gasoline and volatile solvents objectionable when present in a sewer? - They produce an explosion hazard You should never attempt to install, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless - You know what you are doing, are qualified and are authorized What are the different areas of traffic zones? - Advance Warning Area, Transition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your answer on the test! why should hydrogen sulfide be controlled? - to protect from corrosion and odors Personnel entering a Permit Required Confined Space must have the following training - entry and rescue To find protective gear before application of a product, you should: - look at the MSDS The gas most commonly associated with septic wastewater is - Hydrogen Sulfide