Cwea collections Grade 1 Quiz 2024 with complete solution

Cwea collections Grade 1 Quiz 2024 with complete solution 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