CWEA COLLECTION SYSTEMS MAINTENANCE GRADE 2 EXAM 70+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE.

CWEA COLLECTION SYSTEMS MAINTENANCE GRADE 2 EXAM 70+ QUESTIONS AND CORRECT ANSWERS 2023 COMPLETE. CWEA Collections Grade 2 Practice Test 1. Why are gasoline and volatile solvents objectionable when present in a sewer?: They produce an explosion hazard 2. You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless:: You know what you are doing, are qualified, and are authorized. 3. How many different areas of traffic zones are there when working in roadways?: Five 4. Why should hydrogen sulfide be controlled?: To protect sewers and structures from corrosion 5. Personnel entering a Permit Required Confined Space must have the following training:: Entry and rescue procedures 6. To find proper protective gear before application of a product, you would:- : Look at the MSDS (Material Safety Data Sheet) 7. The gas most commonly associated with septic wastewater is:: Hydrogen Sulfide (H2S) 8. The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present because:: Some dangerous gases have no odor 9. What four conditions are necessary to create an explosion?: Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen. 10. What does "transition area" mean in traffic control?: Moves traffic out of its normal path 11. The term "transition area" is one component of a:: Traffic Control Zone 12. What elements should be co