CWEA Collections System 3 Certification
TEST Questions and Answers
Verified Solutions Latest Update
Question:
The main advantage of using CCTV is what?
Answer:
You can see and record the length and severity of defective pipe
Question:
A hazard that may damage a TV camera going through a sewer is.
Answer:
an offset joint
Question:
What is the formula for the volume of a cube?
Answer:
Length x Width x Height
Question:
What is the formula for the area of a circle.
Answer:
0.785 x Diameter x Diameter
Question:
What is the formula for the volume of a pipe.
Answer:
0.785 x Diameter x Diameter x Length
,Question:
A flow of 650 pgm would be how many mgd?
Answer:
0.936
Question:
How can the members of a balling crew communicate with each other?.
Answer:
Hand Signals
Question:
Why must you always know where a cleaning tool is in a sewer?.
Answer:
so you know where obstructions or difficulties are encountered
Question:
emergency stoppages in pipelines may be cleared safely by use of:.
Answer:
high velocity cleaners
Question:
rodents and insects can be controlled by.
Answer:
spraying manholes with an approved pesticide
Question:
Sources of excessive clear water in a collection system are usually caused by:.
Answer:
infiltration from a high water table
, Question:
How many types of common shoring are there?.
Answer:
6
Question:
What is the "dirt" formula?.
Answer:
distance = rate x time
Question:
What is the total volume (in gallons) of 1,000 feet of 8-inch pipeline?.
Answer:
2,611 gallons
Question:
What is the most critical task in operation and maintenance of wastewater collection?.
Answer:
Keeping wastewater flowing through pipes
Question:
Once enrolled in CIWQS, the "Collection System Questionnaire" must be updated at
least every:.
Answer:
12 Months
Question:
You arrive at an SSO and relieve the stoppage 27 minutes after a call was placed to
report it. You find that the spill was running at 6 gallons per minute, how much sewage
went uncaptured?.
Answer:
162 gallons
TEST Questions and Answers
Verified Solutions Latest Update
Question:
The main advantage of using CCTV is what?
Answer:
You can see and record the length and severity of defective pipe
Question:
A hazard that may damage a TV camera going through a sewer is.
Answer:
an offset joint
Question:
What is the formula for the volume of a cube?
Answer:
Length x Width x Height
Question:
What is the formula for the area of a circle.
Answer:
0.785 x Diameter x Diameter
Question:
What is the formula for the volume of a pipe.
Answer:
0.785 x Diameter x Diameter x Length
,Question:
A flow of 650 pgm would be how many mgd?
Answer:
0.936
Question:
How can the members of a balling crew communicate with each other?.
Answer:
Hand Signals
Question:
Why must you always know where a cleaning tool is in a sewer?.
Answer:
so you know where obstructions or difficulties are encountered
Question:
emergency stoppages in pipelines may be cleared safely by use of:.
Answer:
high velocity cleaners
Question:
rodents and insects can be controlled by.
Answer:
spraying manholes with an approved pesticide
Question:
Sources of excessive clear water in a collection system are usually caused by:.
Answer:
infiltration from a high water table
, Question:
How many types of common shoring are there?.
Answer:
6
Question:
What is the "dirt" formula?.
Answer:
distance = rate x time
Question:
What is the total volume (in gallons) of 1,000 feet of 8-inch pipeline?.
Answer:
2,611 gallons
Question:
What is the most critical task in operation and maintenance of wastewater collection?.
Answer:
Keeping wastewater flowing through pipes
Question:
Once enrolled in CIWQS, the "Collection System Questionnaire" must be updated at
least every:.
Answer:
12 Months
Question:
You arrive at an SSO and relieve the stoppage 27 minutes after a call was placed to
report it. You find that the spill was running at 6 gallons per minute, how much sewage
went uncaptured?.
Answer:
162 gallons
