CWEA Collection Systems Maintenance (Practice Questions for CWEA Grade 1 and 2 Tests) Answered Correctly!! Graded A+

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 The lack of an unpleasant odor in a manhole, lift station or other structures does not always mean that dangerous gases are not present because: -️️ some dangerous gasses are odorless (for example, carbon monoxide)