Cwea collections Grade 1 questions and answers
2025\2026 A+ Grade
Sewer maintenance vehicles are
- correct answer difficult to maneuver
At low concentrations, hydrogen sulfide smells like
- correct answer Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment?
- correct answer Toxic Gases
What must be checked first before entering a manhole?
- correct answer Proper barricades or warning devices around manhole.
When should field crews use signs and cones?
- correct answer When over half the street is blocked.
The different zones of traffic control include
- correct answer buffer
Elements of defensive driving include
- correct answer having your vehicle under control
The primary function of an entry supervisor is to
- correct answer maintain overall saftey of permited confied space operations
What should be the alarm set point for oxygen in an atmospheric monitoring/testing device?
- correct answer 19.5%
2025\2026 A+ Grade
Sewer maintenance vehicles are
- correct answer difficult to maneuver
At low concentrations, hydrogen sulfide smells like
- correct answer Rotten Eggs
which safety hazard in a collection system operations can be detected by an insturment?
- correct answer Toxic Gases
What must be checked first before entering a manhole?
- correct answer Proper barricades or warning devices around manhole.
When should field crews use signs and cones?
- correct answer When over half the street is blocked.
The different zones of traffic control include
- correct answer buffer
Elements of defensive driving include
- correct answer having your vehicle under control
The primary function of an entry supervisor is to
- correct answer maintain overall saftey of permited confied space operations
What should be the alarm set point for oxygen in an atmospheric monitoring/testing device?
- correct answer 19.5%
