Page | 1
CWEA COLLECTIONS GRADE 1 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
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.
, Page | 2
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%
Warning,caution,danger,on a label means - correct answer-
Hazardous
MSDS means - correct answer-Material Data Safety Sheet
CWEA COLLECTIONS GRADE 1 2026
QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
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.
, Page | 2
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%
Warning,caution,danger,on a label means - correct answer-
Hazardous
MSDS means - correct answer-Material Data Safety Sheet
