CWEA

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, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless: You know what you are doing, are qualified and are authorized 3. What are the different areas of traffic zones?: Advance Warning Area, Tran- sition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your ...

1. Legally responsible officals are required to report catagory 1 sanitary sewer overflows:: Within two hours 2. When testing a manhole for explosive gases when should the first test be made?: Before removing the manhole cover 3. When setting up to ventilate a manhole,the air inlet should be how many feet above street level?: 2.0 feet 4. Which chemical may be used for odor control in a sewer system?: Hydro- gen peroxide 5. A category 2 is:: Any sso which is not a category 1 6. Which tool wo...

1. A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above.: D. As stated in "A" or "B" above. 2. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours: D. Within 2 hours 3. When working in confined spaces or sewers, what form ...

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, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless: You know what you are doing, are qualified and are authorized 3. What are the different areas of traffic zones?: Advance Warning Area, Tran- sition Area, Activity Area (buffer space and work space), Termination Area. Could be 4 or 5, justify your an...

1. Sewer maintenance vehicles are: difficult to maneuver 2. At low concentrations, hydrogen sulfide smells like: Rotten Eggs 3. which safety hazard in a collection system operations can be detected by an insturment?: Toxic Gases 4. What must be checked first before entering a manhole?: Proper barricades or warning devices around manhole. 5. When should field crews use signs and cones?: When over half the street is blocked. 6. The different zones of traffic control include: buffer 7. Elemen...

CWEA Collection Systems Maintenance EXAM 140 QUESTIONS AND VERIFIED CORRECT ANSWERS 2023 LATEST UPDATE. 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, maintain, repair or replace electrical equipment panels, controls, wiring or circuits unless: You know what you are doing, are qualified and are authorized 3. What are the different areas of traffic zones?: Advance Warning Area, Tr...

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 answe...

A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above. - D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours - D. Within 2 hours When working in confined spaces or sewers, what form of ligh...

Why are gasoline and volatile solvents objectionable when present in a sewer? - They produce an explosion hazard 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. How many different areas of traffic zones are there when working in roadways? - Five Why should hydrogen sulfide be controlled? - To protect sewers and structures from corrosion Personnel entering a Permi...