Cwea collections Grade 1 Questions With Correct Answers

Sewer maintenance vehicles are - Answer difficult to maneuver At low concentrations, hydrogen sulfide smells like - Answer Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? - Answer Toxic Gases What must be checked first before entering a manhole? - Answer Proper barricades or warning devices around manhole. When should field crews use signs and cones? - Answer When over half the street is blocked. The different zones of traffic control include - Answer buffer Elements of defensive driving include - Answer having your vehicle under control The primary function of an entry supervisor is to - Answer maintain overall saftey of permited confied space operations What should be the alarm set point for oxygen in an atmospheric monitoring/testing device? - Answer 19.5% Warning,caution,danger,on a label means - Answer Hazardous