Wisconsin Plumbing Practice Test

These questions are part of the practice quiz. Start practicing

• The Soil E Horizon is characterized as which of the following?
• Rough-in inspection shall be made when which of the following?
• On a simplex pumping system, what alternative may be provided instead of the specified duplex pumping equipment?
• SPS Intent includes protecting which of the following?
• For a stormwater manhole with a 42-inch diameter, the access opening must be at least how wide?
• A continuous-flow drainage device discharges 5 GPM. How many drainage fixture units (DFU) should be assigned?
• What is the discharge size for a sewage grinder outlet?
• Observation pipes must be located at least how many inches from the end wall and sidewall?
• Which statement best defines a horizontal reference point?
• Total suspended solids (TSS) are defined as...
• What is the consequence if the above-ground portion of a building drain discharges into a vertical pipe according to the rules?
• Which statement reflects SPS PURPOSE?
• Minimum well clearance distance from a leach field?
• The discharge from boiler relief valves must enter indirect waste through which component?
• What is the maximum developed length above ground for a drain pipe before a cleanout is required?
• Sanitary drains continuous flow devices: drainage fixture unit values shall be computed on the basis of how many fixture units per 1 GPM of flow?
• Floor drains are generally prohibited in which rooms, unless exceptions apply?
• Under which condition is frost protection not required for building sewers?
• During drain and vent system testing, which gauge pressure is used for the air test?
• What is the maximum horizontal length of indirect waste piping and local waste piping handling sanitary wastes?
• If any portion of an above-ground building drain discharges to a vertical pipe, the building drain shall connect to which?
• Under which condition may wastes bypass interior grease interceptors?
• No grease interceptor may be installed where the surrounding temperatures under operating conditions are less than 40°F. Which option describes this requirement?
• Private interceptor main sewers 6 inches or larger must have a manhole at the most upstream point of the private main, and what spacing and angle requirements?
• When large stones or bedrock are encountered, the bedding material backfill to grade must be what?
• Exterior stormwater inlets subjected to vehicular traffic must be set on a base capable of withstanding what?
• Duplex pumping systems include what type of alarm?
• In municipalities with a local plumbing inspector, testing of the plumbing shall be performed in the presence of a plumbing inspector.
• What is the minimum depth of extruded polystyrene foam insulation below finished grade for frost protection?
• Which statement correctly describes the maximum horizontal and vertical lengths for indirect waste piping and local waste piping?
• When may the trench be excavated to grade if the trench bottom does not contain stone larger than one inch and bedrock is not encountered?
• What is the purpose of breaking up the top 7-8 inches perpendicular to the slope during mound site prep?
• Sanitary building sewers 6 inches or less have manholes located not more than how many feet apart?
• Which statement about POWTS dispersal component is correct?
• What distance is required between a well and a POWTS dispersal component with a design capacity of less than 12,000 gallons per day, a cemetery, or a storm water retention or detention pond?
• In vertical wet venting, the drain between the two fixtures must be at least how large compared to the upper fixture drain?
• For underground piping greater than 2 inches in diameter, what is the maximum developed length between cleanouts?
• Which of the following best defines a horizontal reference point?
• What is the maximum developed length between underground cleanouts for piping greater than 2 inches?
• If one or more interior grease interceptors are provided, which wastes may bypass the interceptor or interceptors?
• SPS PURPOSE refers to safety and sanitation of plumbing in connection with which of the following?
• What sump pit size configurations are listed?
• For horizontal drain piping that is 4 inches or larger in diameter, what minimum computed velocity must it achieve when flowing half full?
• Test methods for drain and vent systems require what?
• The "I" section on a mound sheet indicates which characteristic?
• Trap seal depth for garage catch basin or elevator pit?
• Which statement about manhole openings is true?
• In vertical wet venting, when two wall outlet fixtures are on the same floor level with their drains connecting to the same vertical drain at different elevations, the lower fixture drain may be wet vented only if which condition is met?
• When duplicate pumps are installed, what type of valve is required downstream of each full-flow check valve?
• SPS Intent requires plumbing in buildings intended for human occupancy to be installed and maintained to protect which of the following?
• Where must all building drains be installed in relation to the lowest floor levels, assuming sewer elevation permits?
• What minimum flow velocity must pressurized sewers maintain?
• For above-ground piping, what is the maximum developed length between cleanouts?
• Regarding mound fill depth, what is the required minimum and maximum fill depth?
• What is the minimum discharge size on a grinder pump?
• What is the minimum bottom diameter for a storm sump?
• What is the maximum vertical length allowed for indirect waste piping and local waste piping handling sanitary wastes?
• Which of the following is an acceptable air test pressure for sanitary sewers?
• The E Horizon is best described as which of the following?
• What is the minimum separation distance between a water well and a swimming pool in ground?
• What is the minimum separation distance between a water well and POWTS dispersal (drain field)?
• Who is responsible for ensuring that the operation and maintenance of a POWTS occurs in accordance with this chapter and approved management plans under SPS 383.54(1)?
• Which device would be considered a continuous-flow device for drainage fixture unit calculations?
• Which statement is NOT part of mound site preparation?
• What is the minimum separation distance between a water well and POWTS dispersal?
• Department Plan approval shall expire after how long if construction has not commenced?
• A floor outlet water closet shall connect to which size elbow?
• Multipurpose piping systems are designed and installed in accordance with which NFPA standard?
• For an air test of drain and vent systems, the test pressure is 5 psi, or is sufficient to balance a mercury column of how many inches in height?
• Which statement is true regarding stormwater and clearwater discharge into a sanitary building drain that connects to a POTW?
• Which statement is true about check valves in the system?
• Boiler relief discharge must dump to indirect waste via an air-gap. Which option describes this method?
• In municipalities with a local plumbing inspector, testing shall be done in the presence of the inspector unless otherwise provided.
• What is the primary purpose of bedding and backfill for building drainage trenches?
• Bedding shall be sufficiently dry and hand or mechanically what?
• Which statement best describes SPS Intent?
• How much backfill cover must be provided over the top of the pipe before the trench is wheel-loaded?
• In garages for public buildings where a drain receives wastewater from floor areas used by vehicles, how must wastewater from areas where vehicles will be serviced discharge?
• Which temperature threshold prohibits installation of a grease interceptor when ambient temperatures fall below it?
• What is the minimum separation distance between a water well and a property line?
• What is the purpose of the observation pipes being installed at an elevation to view the horizontal or level infiltrative surface within the dispersal cell?
• What is the maximum horizontal distance between the vertical centerline of a fixture drain outlet and the vertical centerline of the trap inlet?
• Which term is defined as a device or method to promote the assimilation of treated wastewater by the environment?
• If one or more interior grease interceptors are provided, wastes from a food waste grinder or sanitizing compartment of a sink or a rinse compartment of a sink may bypass the interceptor(s).
• Branch connections from interior clearwater inlets must not connect downstream from the base fittings within what distance?
• Which statement correctly pairs discharge sizes with the type of ejector?
• What is the maximum vertical distance between the top of the fixture drain outlet and the horizontal center line of the trap outlet?
• Exterior sump on a simplex system must have a minimum holding capacity above the high level alarm of at least how many days?
• What is the minimum separation distance between sanitary sewers and private water system wells?
• When a building drain above ground discharges to a vertical pipe, to what elevation above the basement must the building drain connect to the building sewer?
• Where any portion of an above-ground building drain discharges to a vertical pipe, the building drain shall connect to which?
• All hospitals shall be provided with at least how many water services?
• What is the minimum separation distance between a water well and a building?
• Floor drains may not be installed in which rooms?
• Hospitals must have at least how many water services?
• In trench excavation, when the bottom does not contain stone larger than one inch, the trench may be excavated to grade. Which option describes this condition?
• Which facility is associated with the 400-foot separation requirement from a well?
• Under stable bottom conditions, after ensuring bottom is dry, what is the required action for the trench?
• What is the holding tank defined as?
• Sump pits are sized to operate for how many seconds?
• A horizontal reference point is used to relate horizontal dimensions to what?
• For private interceptor main sewers 6 inches or larger, where must a manhole be located?
• What is a horizontal reference point?
• What is a Dispersal Zone?
• Traps shall be designed to be self-scouring. P traps shall be considered self-scouring. Which statement is true?
• Bedding shall be sufficiently dry.
• Which statement about Department Plan approvals is correct?
• Which statement accurately describes a restriction on grease interceptors?
• In a kitchen sink installation, the horizontal drain piping serving the sink trap shall not connect to a vertical drain by means of which configuration?
• Which ASTM specification must mound fill material meet?
• What is the required height range for a residential clothes washer standpipe above the trap outlet centerline?
• Which statement about rough-in inspection is correct?
• What is the minimum separation distance between a water well and the property line?
• What is the maximum developed length between cleanouts for underground piping greater than 2 inches?
• Which statement best describes a POWTS dispersal component?
• Under stable bottom conditions, the trench bottom must be bedded and initially backfilled to comply with which of the following?
• All gravity horizontal drains within or under a building shall be accessible through a cleanout.
• What is the maximum horizontal length allowed for indirect waste piping and local waste piping handling sanitary wastes?
• Exterior stormwater inlets subject to vehicular traffic must be set on a suitable base capable of sustaining what?
• Which statement best describes the Clearwater vent requirement?
• Multipurpose piping systems shall be designed and installed in accordance with which standard?
• What is the minimum diameter for an exterior sump pump vent line?
• For residential clothes washer standpipes, the receptor shall terminate at what range above the floor?
• In vertical wet venting, which condition allows the lower fixture drain to be wet vented?
• Local inspection: In municipalities with a local inspector, testing of the plumbing shall be done in the presence of a plumbing inspector.
• For offsets in drain stacks, where must the vent be located?
• What is the expiration condition for Department Plan approval?
• What is the minimum separation distance between a water well and a POWTS holding tank?
• Which statement accurately describes the mound distribution cell dimensions?
• Backwater protection: where should a backwater valve be located?
• If a sump has a top diameter of 16 inches and a bottom diameter of 14 inches, what is the minimum required depth?
• For wastewater treatment and holding devices, inspection without a manhole opening is possible with an opening of what diameter?
• Private interceptor mains six inches or larger must have a manhole at the most upstream point and at intervals not more than what distance, and at every 45-degree change in direction?
• Branch drains from interior clearwater inlets may not connect downstream from the base fitting of a drain stack within a distance equal to how many pipe diameters?
• Which statement correctly lists the minimum dimensions for a sump?
• Branch connections from interior clearwater inlets must not connect downstream from the base fitting within which distance?
• Which floor levels are used to determine the building drain elevation?
• What is the minimum size of an exterior sump pump vent line?
• The exterior sump holding capacity above the high level alarm is required when installed on which type of system?
• Backfill should be completed at what distance before the wheel is loaded?
• In the case of large stones or bedrock, what materials must be used to backfill the trench to grade?
• Which of the following is an acceptable method for backwater protection?
• What components constitute the minimum depth of the mound distribution cell?
• Trap seal depth (general) is between which measurements?
• Which device is a watertight receptacle for the collection and holding of wastewater?
• Minimum vent connection height above floor?
• For a kitchen sink, which connection is prohibited for the trap to a vertical drain?
• Which set of dimensions represents the minimum sump size?
• What are the minimum center and edge depths for the mound cover?
• In the installation of a building drain, what size stone is used for the initial backfill under the bottom of the trench when the bottom can be kept stable and free of water?
• If stone larger than one inch is present or bedrock is encountered, the trench shall be excavated to a depth at least how many inches below the grade elevation?
• All gravity horizontal drains within or under a building shall be accessible through what?
• What is the minimum top diameter for a storm sump?
• P-traps shall be considered self-scouring. Which statement is correct?
• What is the minimum dimension for manhole openings?
• In the presence of bedrock or large stones, the trench depth below grade must be at least how many inches?
• Which statement best defines the Dispersal Zone?
• TSS stands for which of the following?
• For frost protection, insulation must be installed at a minimum of how many inches below finished grade and how many inches above the top of the sewer pipe?
• What is the minimum depth of extruded polystyrene foam insulation below finished grade for frost protection?
• Observation pipes should be located near the dispersal cell ends. Which option best reflects this requirement?
• Under frost protection rules, which situation does not require frost protection for building sewers?
• What is the maximum vertical distance allowed between the top of the fixture drain outlet and the horizontal centerline of the trap outlet?
• What is the minimum flow velocity that must be maintained in pressurized sewers?
• Traps shall be self-scouring and shall not have interior partitions except where what is integral with the fixture?
• What is the minimum separation distance between a water well and a school well?
• For sanitary building sewers 6 inches or smaller, what is the maximum distance between manholes?
• For garage floor drainage in public buildings, the pressurized drain piping from the garage floor must terminate inside the basin with a 6-inch submerged inlet and be at least how many inches above the basin floor?
• The Soil A Horizon is defined as which layer?
• Which of the following best defines a horizontal reference point?
• Total suspended solids (TSS) are defined as what?
• Which phrase best completes the SPS PURPOSE definition?
• ANSI stands for which organization?
• Which of the following is NOT part of mound site preparation?
• What is the minimum separation distance between a water well and a swimming pool in-ground?
• Minimum well clearance distance from holding tank?
• Stormwater gravity drains shall not be combined with clearwater drains prior to discharging to the storm building drain unless approved by whom?
• What is the minimum separation distance between a water well and a school well?
• Discharge size for a non-grinder ejector?
• In garage floor area wastewater systems, what size submerged inlet must the drain terminate with inside the basin?
• Edge depth requirement for mound cover states that edges must be at least how many inches deep?
• What are the minimum sump dimensions?
• Stormwater gravity drains may be combined with clearwater drains prior to discharging to the storm building drain only if approved by the department.
• What is the expiration period for a sanitary permit?
• For venting offsets more than 45 degrees in drain stacks, when must vents be provided?
• If any portion of an above-ground building drain discharges to a vertical pipe, to what must the building drain connect?
• What is the maximum vertical length of indirect waste piping?
• For underground piping 2 inches in diameter or less, what is the maximum developed length between cleanouts?
• Under operating conditions, a grease interceptor may not be located in an area where surrounding temperatures are below what threshold?
• Storm building sewers 10 inches or less in diameter require cleanouts not more than how far apart?
• TSS stands for which of the following?
• Minimum well clearance distance from a well to a leach field?
• The A Horizon is best described as which of the following?