Cwea collections Grade 1 Quiz with complete solution

Cwea collections Grade 1 Quiz with complete solution
Question : Sewer maintenance vehicles are
Correct answer: difficult to maneuver
Question : At low concentrations, hydrogen sulfide smells
like
Correct answer: Rotten Eggs
Question : which safety hazard in a collection system
operations can be detected by an insturment?
Correct answer: Toxic Gases
Question : What must be checked first before entering a
manhole?
Correct answer: Proper barricades or warning devices around
manhole.
Question : When should field crews use signs and cones?
Correct answer: When over half the street is blocked.

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