CWEA CSM GRADE 2 - TEST EXAM
QUESTIONS WITH SOLVED
SOLUTIONS!! 2024-2025 Update
In order to accurately estimate the flow of a sanitary sewer overflow (SSO) you must
have: CORRECT - Spill start time, spill end time and spill rate
Providing a plan and schedule to properly manage, operate and maintain all parts of the
sanitary sewer system is the goal of a: CORRECT - A sewer system management plan
(SSMP)
What are the basics elements of a safety program? CORRECT - Safety policy,
statement, safety training, accident investigation
What factor must be considered when obtaining an easement for construction and
maintenance of a collection system? CORRECT - Access for equipment and personnel
As the division manager you receive a request from your board or council, and they
want an immediate response. You do not know all the CORRECTs you should:
CORRECT - Respond with the information available and update them with more
If you were a supervisor of two lead workers, one whose work was exceptionally good
and a second whose work was substandard, what should you do? CORRECT -
Discuss the problem with the substandard foreman and offer to help before any other
action is taken
In selecting pipe material for maximum service life which factor is more important?
CORRECT - Life expectancy of pipe
What affects the flow capacity of a sewer line? CORRECT - Pipe size, pipe, material,
grade
When a grade conflict exists between a Water main and a sewer main, which of the
following is the best solution? CORRECT - Have the Water main adjusted and hold
the grade on the sewer main
,Why is the replacement of wastewater collection systems in some downtown streets
difficult? CORRECT - Crowding of other underground utilities.
Under what conditions must each member of the rescue service practice permit space
rescues? CORRECT - At least once a year in simulated situation using non-
representative space conditions
If the camera becomes wedged during a video inspection, which of the following would
be your first step in solving the problem? CORRECT - Attempt to free the camera with
the tag line.
Drawings which are considered "As Built" would be? CORRECT - Corrected
construction drawings showing changes made in the field installation.
Legally Responsible Officials are required to report category 1 sanitary sewer overflows:
CORRECT - Within 2 hrs.
Span & Control relates to the number of subordinates who can be supervised effectively
by one supervisor. At the top level of organizations, what is this number? CORRECT - 9
to 11
What is the best approach to take when handling on-the-job conflicts? CORRECT -
Communicate clearly without attacking the other person or personalizing the conflict
What tools are used with a power rodder? CORRECT - Spring blades
Tools used for sewer rodding do not include the: CORRECT - Lag screw
What items would you consider when selecting a solution to clear a stoppage in a
sewer? CORRECT - Cause of stoppage
The lowest point on the inside of a pipeline is called the: CORRECT - Invert
Emergency stoppages in pipelines may be cleared safely by use of: CORRECT - High
velocity cleaners (HVC)
Based on new best practices of the common ground alliance for marking underground
utilities, the inquiry identification number for an underground service alert (USA) is
viable for: CORRECT - 28 days
After completing a temporary traffic control setup for your work zone it is a good practice
to: CORRECT - Observe how effective your TTC setup is working to control traffic and
make the necessary changes to it if necessary.
Explosive or flammable atmospheres can develop in the collections
system? CORRECT - At any time
, The proper testing sequence for atmospheres in confined spaces is? CORRECT -
Oxygen content, combustible gases and toxic gases
Employees whom in the course of their job, maybe required to wear respirators must be
certified medically fit. CORRECT - Annually
You are working inside a pump station with a crew performing some technical and
hazardous maintenance. Suddenly an accident occurs that causes severe injuries to
one operator. What do you do first? CORRECT - Send for help and check and /or
restore breathing
In the wastewater industry we find confined spaces everywhere. What would make a
routine confined space turn into a "permit required" confined space? CORRECT - Any
work that may change the air quality
It is unfortunate that in the wastewater industry most of our injuries are to what part of
the body? CORRECT - Head and Back
Hydraulic cleaning methods consist of cleaning a sewer with: CORRECT - Water under
pressure that produces high water velocities
There are different areas of traffic zones when working in roadways?
CORRECT - Four
Before starting a maintenance operation in an easement located in a backyard of a
residence you should? CORRECT - Contact the resident, and politely ask for
permission to enter the backyard.
If a ticket is called into Dig Alert on Friday at 8am, when is the earliest you can dig?
CORRECT - Wednesday 8am (the day you call does not count)
Personnel entering a Permit Required Confined Space must have the following training?
CORRECT - Entry and rescue procedures
Four conditions are necessary to create an explosion. Three of these conditions are
combustible gas, adequate oxygen and sufficient heat. What is the fourth? CORRECT -
Proper mixing of gas and oxygen
Flatter sewer line grades may cause added sewer maintenance expense and order
nuisance. The problem is most likely caused by? CORRECT - A decrease in velocity
allowing gases to be released from the wastewater
How often must an excavation site and adjacent areas be inspected for hazardous
conditions? CORRECT - Daily
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