Cwea collections Grade 1 Exam 2026
Questions and Answers
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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
Questions and Answers
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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1