Cwea collections Grade 1 EXAM Questions
with 100% Correct Answers | Verified | Updated
(Actual Exam) 2025\2026
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
What should be the alarm set point for oxygen in an
atmospheric monitoring/testing device? - ✔✔ANSWER ✔✔-
19.5%
Warning,caution,danger,on a label means - ✔✔ANSWER ✔✔-
Hazardous
MSDS means - ✔✔ANSWER ✔✔-Material Data Safety Sheet
with 100% Correct Answers | Verified | Updated
(Actual Exam) 2025\2026
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
What should be the alarm set point for oxygen in an
atmospheric monitoring/testing device? - ✔✔ANSWER ✔✔-
19.5%
Warning,caution,danger,on a label means - ✔✔ANSWER ✔✔-
Hazardous
MSDS means - ✔✔ANSWER ✔✔-Material Data Safety Sheet
