CWEA Collections Grade 2 Practice Test Questions And
Verified Answers With Complete Solutions Grade A+.
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
What is the purpose of the OSHA Hazard Communication SHeet - ANSWER: To
make sure employees know about any hazardous chemicals they may contact
How can traffic be warned of your presence in the street? - ANSWER:
Signs,Cones,Flagman
What check should be preformed before driving a vehicle? - ANSWER:
Mechanical/Safety
Where will collection system operators most likely find black windows Spiders and
scorpions. - ANSWER: Manholes
, Typical safety hazards in collections system operations include - ANSWER:
Oxygen defiency
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? - ANSWER: Tamper
Which type of shovel do collection system technologist use - ANSWER: Grit
Shovel
What type of saw is used to cut asphalt? - ANSWER: Diamond bladed or toothed
power saw
Googles, earplugs, and glove are needed when using a - ANSWER: Power Grinder
What type of equipment should be used to excavate a broken sewer pipe? -
ANSWER: Backhoe
What is a mechanical means to dislodge material from a sewer? - ANSWER:
Scraping
The formula for calculating the volume of a wet well is - ANSWER: V=W*L*H
Tasks preformed by a collection system operator includes: - ANSWER:
Maintaining collection system equipment
One cubic food per second flow is equal to - ANSWER: 26,928 Gallons
To properly operate a power rodder - ANSWER: 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 - ANSWER: Show Work = 5,872 Gallons
What is an orifice plate? - ANSWER: A plate with a small hole in it to restrict the
flow.
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWER: They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWER: You know what you are doing, are
qualified, and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWER: Five
Verified Answers With Complete Solutions Grade A+.
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
What is the purpose of the OSHA Hazard Communication SHeet - ANSWER: To
make sure employees know about any hazardous chemicals they may contact
How can traffic be warned of your presence in the street? - ANSWER:
Signs,Cones,Flagman
What check should be preformed before driving a vehicle? - ANSWER:
Mechanical/Safety
Where will collection system operators most likely find black windows Spiders and
scorpions. - ANSWER: Manholes
, Typical safety hazards in collections system operations include - ANSWER:
Oxygen defiency
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? - ANSWER: Tamper
Which type of shovel do collection system technologist use - ANSWER: Grit
Shovel
What type of saw is used to cut asphalt? - ANSWER: Diamond bladed or toothed
power saw
Googles, earplugs, and glove are needed when using a - ANSWER: Power Grinder
What type of equipment should be used to excavate a broken sewer pipe? -
ANSWER: Backhoe
What is a mechanical means to dislodge material from a sewer? - ANSWER:
Scraping
The formula for calculating the volume of a wet well is - ANSWER: V=W*L*H
Tasks preformed by a collection system operator includes: - ANSWER:
Maintaining collection system equipment
One cubic food per second flow is equal to - ANSWER: 26,928 Gallons
To properly operate a power rodder - ANSWER: 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 - ANSWER: Show Work = 5,872 Gallons
What is an orifice plate? - ANSWER: A plate with a small hole in it to restrict the
flow.
Why are gasoline and volatile solvents objectionable when present in a sewer? -
ANSWER: They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace
electrical equipment unless: - ANSWER: You know what you are doing, are
qualified, and are authorized.
How many different areas of traffic zones are there when working in roadways? -
ANSWER: Five
