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CWEA COLLECTIONS GRADE 1
EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
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.
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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
CWEA COLLECTIONS GRADE 1
EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
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.
, 2 | Page
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
