Browse all practice questions for the CWEA Collections Grade 2 Journey/Analyst Practice Test. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

CWEA Collections Grade 2 Practice Test 2026 – Complete Exam Prep Resource course image
Common signs that your sewer system may have a problemWhat may indicate a problem within a sewer system?Discover How Asset Management Enhances Collection SystemsHow does asset management apply to collection systems?Discover the Six Common Types of Shoring Techniques in ConstructionHow many types of common shoring are there?Neglecting Preventive Maintenance Can Lead to Major System FailuresWhat could be a consequence of neglecting preventive maintenance?Understanding Alarms on Gas Detection Meters and Oxygen LevelsAt what oxygen level is the alarm on a gas detection meter typically set to activate?Understanding Calibration and Sensitivity in Gas Detection EquipmentIn the context of gas detection, what is a critical feature of detection equipment?Understanding Essential Factors in Lift Station Failure ProceduresWhen creating an S.O.P. for Lift Station failure, which factor is essential to address?Understanding Gray Water: What You Need to KnowWhat does "gray water" refer to?Understanding How Flow Diversion Enhances Collection System EfficiencyHow does flow diversion help in a collection system?Understanding Key Components of a Collection System Maintenance PlanWhich components are typically included in a collection system maintenance plan?Understanding Key Strategies to Enhance Worker Safety in High-Speed Traffic ZonesWhich elements are crucial for enhancing worker safety in High Speed Temporary Traffic Control Zones?Understanding Minimum Design Velocity for SewersWhat is the minimum design velocity for a sewer meant to be greater than?Understanding the Cause of Sewer Stoppages MattersWhat is the first consideration when selecting a solution to clear a stoppage in a sewer?Understanding the Connection Between Sewer Line Conditions and Odor ProductionTrue or False: Biological activity in long, sluggish-flow, flat-grade sewer lines is likely to cause odors.Understanding the Consequences of Lift Station FailuresWhat can happen if a lift station fails?Understanding the Environmental Impacts of Collection System FailuresWhat are the potential environmental impacts of collection system failures?Understanding the Importance of Asset Management in Collection SystemsWhy is asset management crucial in a collection system master plan?Understanding the Importance of Informing Residents Before Maintenance OperationsWhen is it acceptable to conduct maintenance operations without informing the resident?Understanding the Importance of Monitoring Hydrogen Sulfide in Sewer CollectionsWhy is it crucial to monitor hydrogen sulfide in sewer collections?Understanding the Importance of Routine Inspection in Collection SystemsWhat is a crucial aspect of maintaining a collection system?Understanding the Key Objectives of Collection System ManagementWhat are the primary objectives of collection system management?Understanding the Risks: How Offset Joints Can Damage TV Cameras During Sewer InspectionsWhat hazard can damage a TV camera used in sewer inspections?Understanding the Role of CWEA in Water ManagementWhat does CWEA stand for?Understanding the Role of GIS in Managing Sewer NetworksHow can GIS (Geographic Information Systems) be utilized in collection systems?Understanding the Role of Manholes in Wastewater Collection SystemsWhat is the purpose of a manhole in the collection system?Understanding the Role of Shoring in Sewer OperationsTo what does the term "shoring" refer in sewer operations?Understanding the True Purpose of Preventative MaintenanceWhat is the main goal of preventative maintenance?Understanding Trenchless Technology in Collection SystemsWhat does "trenchless technology" refer to in the context of collection systems?Viewing the Relationship Between Maintenance Staff and Residents as a PartnershipHow should maintenance staff view their relationship with residents?Why Measuring Distance in Sewer Maintenance is Key to Safety and EfficiencyWhat is one reason to measure the distance in a sewer maintenance operation?Why Sodium Hypochlorite is Essential for Sewer SystemsWhat is the main reason for adding sodium hypochlorite to sewers?Why Technical Training is Key for Collection Systems PersonnelWhat type of training is essential for personnel working in collection systems?
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  • Is it true that infiltration can be caused by cracked pipes?
  • Does a clogged impeller affect a pump's expected rate of discharge?
  • At a nighttime short-term stationary temporary traffic control zone on a low-speed street, what is the minimum height for traffic cones?
  • Which statement is true regarding maintenance operation permissions?
  • What gas is most commonly associated with septic wastewater?
  • What is an effect of using high velocity cleaners in emergency stoppages?
  • In a centrifugal pump, the impeller and volute work together to accomplish what?
  • What are "combined sewers"?
  • What does the absence of an unpleasant odor in a structure indicate?
  • Why is odor control important in collection systems?
  • What tool is most appropriate for cutting VCP pipe?
  • Which aspect of maintenance aims to enhance reliability and safety?
  • What is the definition of proper operation and maintenance of wastewater collection?
  • What document is necessary to reference when creating a Standard Operating Procedure for hazardous substance spill cleanup?
  • To convert inches to feet, which operation is necessary?
  • What is a common method for assessing the condition of a collection system?
  • What is the significance of having emergency response protocols in place?
  • When calculating gallons per day (GPD) for a community, what additional information is needed besides the total volume pumped?
  • How many different areas of traffic zones are there when working in roadways?
  • What issue is most likely caused by flatter sewer line grades, leading to added maintenance costs and odor nuisances?
  • How can heavy rainfall impact a sewer system?
  • What is the primary role of collection system operators?
  • Which activity can help in identifying necessary repairs in a sewer system?
  • What is a common material used for building sewer pipes?
  • A person trained as per Title 8, Calif. Code of Regulations, is known as what?
  • Which of the following methods is NOT included in sewer testing methods?
  • What is a pump station's typical maintenance requirement?
  • Is it important to offer further assistance to citizens once information is provided?
  • What role does community feedback play in the sustainability of a collection system?
  • What is the velocity of flow in an 8 inch force main with a metered flow of 400000 gpd?
  • How many million gallons per day is a flow rate of 650 gpm equivalent to?
  • What does "CSO" refer to in wastewater management?
  • Submersible pumps are applicable in which type of environment?
  • What role do biosensors have in collection systems?
  • What does a person earn by completing a training program defined by the Common Ground Alliance?
  • What are "grit chambers" used for in wastewater treatment?
  • What is the primary goal of a collection system in a wastewater treatment facility?
  • If 300 feet of 12-inch pipe is uniformly coated with one inch of grease, how many gallons will it hold when filled with water?
  • What information is required to report a Category 2 SSO in the Statewide SSO Data-base?
  • In the given scenario, what is the diameter of the pipe after accounting for the grease coating?
  • Why is it important to respond to community concerns in collection system operations?
  • What factor is multiplied by the diameter squared to find the volume of a right circular cylinder?
  • What volume does a wet well with a diameter of 20 feet and a depth of 10 feet hold?
  • What training must personnel entering a Permit Required Confined Space have?
  • What is a common indicator of a sewer line failure?
  • What does "beneficial reuse" of wastewater entail?
  • What is a significant consequence of aging infrastructure in a collection system?
  • What is the area of an 8 inch diameter pipe in square feet?
  • When drafting a maintenance S.O.P. for electrical equipment, which program is a key safety guideline?
  • What is a potential consequence of failing to manage infiltration and inflow (I/I)?
  • What is the primary purpose of sewer line cleaning?
  • What is the lowest point on the inside of a pipeline called?
  • What maintenance practice is essential to avoid blockages in a collection system?
  • Which of the following is a potential consequence of a Combined Sewer Overflow (CSO)?
  • What role do pumps play in a collection system?
  • In terms of long-term planning, what is essential for a collection system's success?
  • "Spring Blades" are specifically used with which tool?
  • What does "wastewater treatment" involve?
  • Which role do law enforcement officers play in temporary traffic control zones?
  • How much sewer went un-captured if a spill was running at 6 gallons per minute for 27 minutes?
  • Why is it crucial to comply with local, state, and federal regulations in collections?
  • Which of the following is essential for prolonging the life of a collection system?
  • What is a key factor that can influence the performance of a collection system?
  • What may happen if a sewer system has inadequate maintenance?
  • Why must you always know the distance when a cleaning tool is in a sewer?
  • What is the volume of an upright circular cylinder tank with a diameter of 12 feet when filled to a depth of 8 feet?
  • Why is public education about sanitation systems important?
  • What should be communicated regarding maintenance operations?
  • What can sewer system overflows indicate about the health of the infrastructure?
  • What can excessive roots in sewer lines cause?
  • What is the primary purpose of a traffic control plan?
  • What is required when reporting sewer overflows?
  • What does "flow monitoring" in a collection system help to determine?
  • How should staff interact with residents when discussing maintenance operations?
  • Which maintenance approach is proactive rather than reactive?
  • Which method is commonly used for assessing the condition of sewer pipes?
  • What does a "collection system master plan" typically include?
  • What is a lift station used for in a sewage collection system?
  • What is a key benefit of using floats in pump operations?
  • What is the total volume of a pipe that is 1000 feet long with an 8 inch diameter?
  • How much water is pumped per capita in a community of 27000 people if a lift station pumps 3000 gallons per minute?
  • What is the significance of establishing "critical points" in collection systems?
  • What function does a backwater valve serve in a collection system?
  • Why is CCTV advantageous in sewer inspections?
  • Which tools are designated for sewer rodding?
  • According to regulations, what system must each Enrollee develop and implement concerning sewer management?
  • What is the primary purpose of sewer line inspections?
  • A sewer line with a diameter of 8 inches has how many feet in diameter in feet?
  • Why is proper design important for a collection system?
  • What is a significant benefit of community responsiveness in collection systems?
  • What common tools are primarily used for sewer line inspection?
  • What is one key feature of a well-designed collection system?
  • Are barrels, lids, cones, and backflow devices all included in manholes?
  • Can rodents and insects be controlled by spraying manholes with an approved pesticide?
  • Is vitrified clay pipe considered a rigid type of pipe?
  • What must be monitored regularly in a lift station to prevent failure?
  • Implementing which process is vital for safe electrical maintenance?
  • When calculating volume, which formula is used for a right circular cylinder?
  • Can roots enter collection systems through pipe cracks?
  • What is the correct conversion factor to convert cubic feet to gallons?
  • What defines preventive maintenance in a collection system?
  • What should you reference to find proper protective gear before applying a product?
  • What does "SIP" stand for in the context of sewer systems?
  • Is working in an un-sloped trench with no shoring a safe practice?
  • What are the main contributors to "fatbergs" in sewer systems?
  • Why should hydrogen sulfide be controlled in sewer systems?
  • What results from effective preventive maintenance?
  • Why are gasoline and volatile solvents objectionable when present in a sewer?
  • How soon must Category 1 Sanitary Sewer Overflows (SSOs) that discharge to surface water be reported?
  • How does SCADA technology benefit a collection system?
  • How often must the "Collection System Questionnaire" be updated once enrolled in CIWQS?
  • How often must an excavation site and adjacent areas be inspected for hazardous conditions?
  • In what situation is spraying pesticides not advisable?
  • Which principle do maintenance programs primarily rely on?
  • What type of maintenance aims to decrease the likelihood of future issues?
  • What is a true statement about hydraulic sewer cleaning?
  • What aspects of a collection system need to be monitored for compliance?
  • What does "LEL" represent on a gas detection meter?
  • What should you do when a citizen requests information about a maintenance operation?
  • Floats in pumping systems can be used for which purpose?
  • What role do pumps play in a collection system?
  • What is the main function of a spill containment plan?
  • If a sewer spill has a flow of 166 gpm for 217 minutes, how is the total spill volume calculated?
  • What type of space requires a specific S.O.P. for air monitoring that includes placement of the blower and personal protective equipment?
  • What is a 'transition area' primarily associated with?
  • If a sewer spill is reported at a flow rate of 166 gpm over a duration of 217 minutes, what is the total estimated unrecoverable gallon volume?
  • What common problem can occur in collection systems due to improper maintenance?
  • Can lift station failure include electrical circuit failures?
  • How can members of a bailing crew effectively communicate in the field?
  • What is the required action if a traffic control setup is not effectively managing traffic?
  • What does "hydraulic capacity" refer to in a collection system?
  • Before initiating a maintenance operation in a resident's backyard, what is the appropriate action to take?
  • Which gases should a gas detection device be capable of testing for?
  • True or False: Infiltration from a high water table can cause excessive clear water in a collection system.
  • What practices aid in preventing sewer system overflows?
  • What impact can sewer overflows have on public perception?
  • Which of the following is a part of a centrifugal pump?
  • What does corrective maintenance focus on?
  • In the volume formula for a cylinder, which value is used to represent the height of the pipe?
  • What is the primary purpose of installing wear rings in a pump?
  • How long is an Inquiry Identification Number for an Underground Service Alert (USA) valid?
  • Which of these factors can help improve the longevity of sewer pipes?
  • What is required before attempting to install or repair electrical equipment?
  • What is the minimum width for temporary traffic control lanes on a street with a 35 MPH speed limit?
  • Can emergency stoppages in pipelines be cleared safely by use of high velocity cleaners?
  • After setting up a Temporary Traffic Control zone, what is a recommended practice?
  • What four conditions are necessary to create an explosion?
  • What is an essential quality a collection system operator should possess?
  • What are the main components of a collection system?
  • Which issue can lead to excessive infiltration into a collection system?
  • What does "transition area" refer to in traffic control?
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