Cwea Collections System Maintenance Grade 3 |82 Questions| With Correct Answers.

Improper connections can be detected through: a. DO tests. b. soundings. c. TV inspection. d. radar. {Ans: c. TV inspection.}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 {Ans: A. Mirrors to direct the sunlight or explosion proof lighting.}Pipe materials that are the least susceptible to corrosion by acids formed from gases generated in sewers is: a. ACP. b. CIP. c. RCP. d. VCP. {Ans: d. VCP.}Drawings which are considered "As Built" would be? a. Construction drawings issued to the contractor. b. Corrected construction drawings showing changes made in the field installation. c. Detailed drawings of proposed construction. d. Sectional maps on file. {Ans: b. Corrected construction drawings showing changes made in the field installation.}Responsibilities of supervisors and managers for a safety program include: a. not providing a written safety policy. b. never provide safety training. c. identify and correct unsafe work practices. d. never investigate accidents. {Ans: }The electrical disconnect for a pumping station motor can trip out under which condition? a. Pump cavitation. b. Low