CWEA Collections System Maintenance Grade 3 | 82 Questions with 100% Correct Answers

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. - correct answerD. 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 - correct answerD. Within 2 hours When working in confined spaces or sewers, what form of lighting would you use? A. Mirrors to direct the sunlight or explosion proof lighting. B. Ordinary electric lights C. Propane, Gas, or kerosene lanterns D. Special matches - correct answerA. Mirrors to direct the sunlight or explosion proof lighting. What can happen if water-based substances are used to extinguish electrical fires? a. Nothing but extinguish the fire b. The fumes are not harmful c. Receive an electrical shock d. They will corrode the electrical contacts - correct answerc. Receive an electrical shock When testing a manhole for explosive gases when should the first tests be made? a. After removing the manhole cover