CWEA COLLECTIONS GRADE 2 PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS|100% verified

CWEA COLLECTIONS GRADE 2 PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS Why are gasoline and volatile solvents objectionable when present in a sewer? CORRECT ANSWER They produce an explosion hazard You should never attempt to install, troubleshoot, maintain, repair, or replace electrical equipment unless: CORRECT ANSWER You know what you are doing, are qualified, and are authorized. How many different areas of traffic zones are there when working in roadways? CORRECT ANSWER Five Why should hydrogen sulfide be controlled? CORRECT ANSWER To protect sewers and structures from corrosion Personnel entering a Permit Required Confined Space must have the following training: CORRECT ANSWER Entry and rescue procedures To find proper protective gear before application of a product, you would: CORRECT ANSWER Look at the MSDS (Material Safety Data Sheet) The gas most commonly associated with septic wastewater is: CORRECT ANSWER Hydrogen Sulfide (H2S) The lack of an unpleasant odor in a structure does not always mean that dangerous gases are not present because: CORRECT ANSWER Some dangerous gases have no odor What four conditions are necessary to create an explosion? CORRECT ANSWER Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen. What does "transition area" mean in traffic control? CORRECT ANSWER Moves traffic out of its normal path The term "transition area" is one component of a: CORRECT ANSWER Traffic Control Zone What elements should be considered to improve worker safety in High Speed Temporary Traffic Control Zones? CORRECT ANSWER Rerouting traffic around the