Cwea collections Grade 1 questions and answers 100% verified.

Cwea collections Grade 1 questions and answers 100% verified. Sewer maintenance vehicles are - correct cult to maneuver At low concentrations, hydrogen sulfide smells like - correct answers.Rotten Eggs which safety hazard in a collection system operations can be detected by an insturment? - correct answers.Toxic Gases What must be checked first before entering a manhole? - correct answers.Proper barricades or warning devices around manhole. When should field crews use signs and cones? - correct answers.When over half the street is blocked. The different zones of traffic control include - correct r Elements of defensive driving include - correct g your vehicle under control The primary function of an entry supervisor is to - correct ain overall saftey of permited confied space operations What should be the alarm set point for oxygen in an atmospheric monitoring/testing device? - correct answers.19.5%