CWEA COLLECTIONS GRADE 1
QUESTIONS AND ANSWERS 2026
- 2027
You have an air compressor and you have been instructed to compact
the backfill in a trench. Which of the following is the best tool to use?
- ANSWERS-Tamper
Which type of shovel do collection system technologist use -
ANSWERS-Grit Shovel
What type of saw is used to cut asphalt? - ANSWERS-Diamond
bladed or toothed power saw
Googles, earplugs, and glove are needed when using a - ANSWERS-
Power Grinder
What type of equipment should be used to excavate a broken sewer
pipe? - ANSWERS-Backhoe
What is a mechanical means to dislodge material from a sewer? -
ANSWERS-Scraping
The formula for calculating the volume of a wet well is - ANSWERS-
V=W*L*H
,Tasks preformed by a collection system operator includes: -
ANSWERS-Maintaining collection system equipment
One cubic food per second flow is equal to - ANSWERS-26,928
Gallons
To properly operate a power rodder - ANSWERS-Make sure all the
torque is out of it before handling.
The diameter of a wet well is 10 feet. If filled to a depth of 10 feet, it
will contain approximately - ANSWERS-Show Work = 5,872 Gallons
What is an orifice plate? - ANSWERS-A plate with a small hole in it
to restrict the flow.
Sewer maintenance vehicles are - ANSWERS-difficult to maneuver
At low concentrations, hydrogen sulfide smells like - ANSWERS-
Rotten Eggs
which safety hazard in a collection system operations can be detected
by an insturment? - ANSWERS-Toxic Gases
What must be checked first before entering a manhole? - ANSWERS-
Proper barricades or warning devices around manhole.
, When should field crews use signs and cones? - ANSWERS-When
over half the street is blocked.
The different zones of traffic control include - ANSWERS-buffer
Elements of defensive driving include - ANSWERS-having your
vehicle under control
The primary function of an entry supervisor is to - ANSWERS-
maintain overall saftey of permited confied space operations
What should be the alarm set point for oxygen in an atmospheric
monitoring/testing device? - ANSWERS-19.5%
Warning,caution,danger,on a label means - ANSWERS-Hazardous
MSDS means - ANSWERS-Material Data Safety Sheet
What is the purpose of the OSHA Hazard Communication SHeet -
ANSWERS-To make sure employees know about any hazardous
chemicals they may contact
How can traffic be warned of your presence in the street? -
ANSWERS-Signs,Cones,Flagman
QUESTIONS AND ANSWERS 2026
- 2027
You have an air compressor and you have been instructed to compact
the backfill in a trench. Which of the following is the best tool to use?
- ANSWERS-Tamper
Which type of shovel do collection system technologist use -
ANSWERS-Grit Shovel
What type of saw is used to cut asphalt? - ANSWERS-Diamond
bladed or toothed power saw
Googles, earplugs, and glove are needed when using a - ANSWERS-
Power Grinder
What type of equipment should be used to excavate a broken sewer
pipe? - ANSWERS-Backhoe
What is a mechanical means to dislodge material from a sewer? -
ANSWERS-Scraping
The formula for calculating the volume of a wet well is - ANSWERS-
V=W*L*H
,Tasks preformed by a collection system operator includes: -
ANSWERS-Maintaining collection system equipment
One cubic food per second flow is equal to - ANSWERS-26,928
Gallons
To properly operate a power rodder - ANSWERS-Make sure all the
torque is out of it before handling.
The diameter of a wet well is 10 feet. If filled to a depth of 10 feet, it
will contain approximately - ANSWERS-Show Work = 5,872 Gallons
What is an orifice plate? - ANSWERS-A plate with a small hole in it
to restrict the flow.
Sewer maintenance vehicles are - ANSWERS-difficult to maneuver
At low concentrations, hydrogen sulfide smells like - ANSWERS-
Rotten Eggs
which safety hazard in a collection system operations can be detected
by an insturment? - ANSWERS-Toxic Gases
What must be checked first before entering a manhole? - ANSWERS-
Proper barricades or warning devices around manhole.
, When should field crews use signs and cones? - ANSWERS-When
over half the street is blocked.
The different zones of traffic control include - ANSWERS-buffer
Elements of defensive driving include - ANSWERS-having your
vehicle under control
The primary function of an entry supervisor is to - ANSWERS-
maintain overall saftey of permited confied space operations
What should be the alarm set point for oxygen in an atmospheric
monitoring/testing device? - ANSWERS-19.5%
Warning,caution,danger,on a label means - ANSWERS-Hazardous
MSDS means - ANSWERS-Material Data Safety Sheet
What is the purpose of the OSHA Hazard Communication SHeet -
ANSWERS-To make sure employees know about any hazardous
chemicals they may contact
How can traffic be warned of your presence in the street? -
ANSWERS-Signs,Cones,Flagman
