Texas Journeyman Plumbing Practice Test

These questions are part of the practice quiz. Start practicing

• Which type of vent is compatible with both Type L and Type B appliances?
• What defines a common vent in plumbing?
• What is an air break in a drainage system?
• How many drinking fountains are required when the occupancy load exceeds 15?
• What constitutes a vertical pipe in plumbing?
• What characterizes a Direct-Vent Appliance?
• What is the minimum required distance between multiple fixtures installed without partitions?
• What does "excess air" refer to in the context of combustion?
• What is required for a sump used to discharge a building subdrain?
• What does the term "stack" refer to in plumbing?
• What type of vent is designed for appliances with draft hoods?
• What does the term 'leader' refer to in plumbing?
• What is the maximum diameter allowed for bored holes in double studs?
• What is described as the pressure difference affecting the flow of air and combustion products through an appliance?
• What is the minimum depth required for a drain pan beneath a water heater?
• What is the purpose of a water-hammer arrestor?
• What is the maximum vertical bracing distance for PEX piping?
• What is the main purpose of an individual vent in plumbing?
• What does a water main refer to in a plumbing system?
• What is not required for indirect waste piping that only receives clear-water waste?
• What is indicated when a product is labeled by a recognized testing laboratory?
• What is an air gap in a water distribution system?
• What is prohibited in the center third of solid sawn beams?
• What component in a gas system directly interacts with the appliance?
• Which of the following can cause a backflow condition?
• What is the correct method for backfilling around pipes?
• What is the maximum diameter allowed for bored holes in single studs of exterior or load-bearing interior walls?
• What minimum capacity is required for a grease interceptor?
• What is the minimum diameter of discharge piping for sewage pumps and ejectors?
• What is a public water main in plumbing?
• What does "access" refer to in plumbing terminology?
• What is the minimum height requirement for standpipes above the trap weir?
• How long should wastewater be retained in a grease interceptor for effective separation?
• Where are floor drains prohibited from being installed?
• What kind of angle defines a vertical pipe?
• What is the maximum number of successive double studs that may be bored?
• What describes a fixture in a public utilization category?
• What governs the size of the common waste and vent pipes?
• What does it mean for a product to be listed in plumbing standards?
• What function does a conductor serve in a plumbing system?
• What is a significant concern of contamination in potable water?
• What happens if the pressure in a potable water system falls below atmospheric pressure?
• Which of the following best describes direct-vent appliances?
• What is backsiphonage?
• Why is understanding specific gravity important for plumbers working with gas?
• From where does a water service pipe originate?
• What is referred to when the quality of potable water is impaired?
• How close must notching be to the end of a supported beam for it to be permissible?
• Which term refers to regulations and amendments adopted by an administrative authority in plumbing?
• What is the maximum allowable distance for a passageway to access a water heater in an attic?
• What does a drip leg or sediment trap do in a piping system?
• What is the acceptable capacity of the discharge pipe for macerating toilet assemblies?
• What is the minimum size for a bathtub drain outlet?
• What material is not suitable for above-ground drainage according to the standards?
• What phenomenon occurs due to vertical downward gravity flow in a stack impacting a horizontal drain?
• What does specific gravity measure when applied to gas?
• What defines potable water?
• What is indicated by the term "inside conductor pipe" in plumbing?
• What is the minimum developed length of a branch interval measurement required according to plumbing standards?
• What pressure and duration is required for the standing water test of the DWV system?
• How must fixtures used in food preparation discharge their waste?
• What is the primary purpose of a draft hood in an appliance?
• Which type of valve must be installed to prevent sewer contaminants from backing up into a building?
• How is an air gap defined in a drainage system?
• What is the minimum distance that bored holes in exterior or load-bearing interior wall studs must be from the edge of the stud?
• What type of appliance is a water heater classified as?
• What is the maximum dfu for a 3-inch diameter horizontal drain branch according to plumbing regulations?
• What is backflow in plumbing?
• What is the primary function of a roof drain?
• What causes a natural draft in a chimney or vent?
• Where must commercial dishwashers discharge their waste?
• What role do valves play in a fuel piping system?
• What should the termination point of a relief valve discharge line be above the floor or flood rim level?
• Which term refers to a location that is inaccessible without damaging the building structure?
• What creates a mechanical or induced draft in an appliance?
• What type of pipe connects an appliance to the gas piping system?
• What is a horizontal branch drain primarily intended for?
• In non-load bearing interior walls, what is the maximum diameter allowed for bored holes?
• How far must a hole be from the bottom of a beam when boring?
• What does the term "point of delivery" refer to in gas piping systems?
• What is the maximum horizontal bracing distance for PVC piping?
• How should a horizontal stack offset be vented when there are more than four branch intervals below the top of the stack?
• What usually occurs in a sediment trap?
• What are flue gases composed of?
• Which of the following describes a horizontal pipe?
• What is the function of a grease interceptor (gravity)?
• What type of air is necessary for the complete combustion of fuel?
• What might be a safety concern regarding specific gravity of gases?
• What does the term draft refer to in relation to appliances?
• Liquefied petroleum gas (LPG) is primarily composed of which substances?
• What is meant by “flood level rim” in plumbing?
• What is one function of a gas pressure regulator?
• Which of the following describes the term "semirigid metallic tubing"?
• What is the function of a Type BW Vent?
• What should be used to maintain the liquid trap seal for drains subject to evaporation?
• What is the maximum percentage of stud depth that a notch may occupy in exterior or load-bearing interior wall studs?
• How is an interceptor typically described in plumbing?
• What drainage requirement is specified for a whirlpool bathtub circulation pump?
• Where does the fuel piping run from and to?
• For a shower compartment, what is the minimum interior cross-sectional area required?
• What material is typically used for protecting plumbing installations located close to framing members?
• What is meant by fixture drain in plumbing?
• What does cross contamination refer to?
• What is the flue collar designed for?
• What constitutes pollution in potable water?
• What does a branch vent connect to?
• What is the minimum distance through air measured between the heat-producing surface of a mechanical appliance and combustible materials called?
• What is the minimum fixture drain size required for a residential clothes washer?
• Which type of valve is required for bottom-fed water heaters?
• What is the abbreviation BTU stand for?
• What is an indirect waste pipe?
• What type of gas system might use a riser?
• What must be provided to ensure access to standpipes and drains?
• What is required if a floor drain experiences evaporation of the trap contents?
• What is the function of a stack vent?
• What is the minimum distance required for an air gap in a drainage system?
• For appliances relying on the atmosphere for gas flow, which type of draft do they most likely use?
• What is a backflow connection?
• What is the maximum allowable percentage of depth for boring in solid sawn beams?
• How should the hot and cold water flow be arranged on faucets?
• What is the minimum water seal depth required for oil separators?
• Which of the following describes a water distribution pipe?
• What is the function of the flue within an appliance?
• What is the maximum temperature limit for shampoo sinks and footbaths?
• What is the minimum clearance required from the center of a water closet to any side wall or partition?
• How is specific gravity relevant to gas piping systems?
• Which pipe material has the highest maximum vertical bracing distance according to the standards?
• What is the minimum distance that materials such as plastic and copper must be installed from the edge of framing members?
• Which of the following is true regarding the flow of gas in a piping system?
• What is a significant source of graywater?
• What is the flood level rim?
• What does fixture supply refer to?
• What does a backflow preventer do?
• What is a bathroom group?
• Which of the following occupancy levels does not require separate restrooms for males and females?
• What is considered a fuel gas?
• Which type of water system is controlled by a public authority?
• What kind of water is defined as free from impurities?
• What does gas pipe installation typically include?
• Which type of drains are often installed for emergency purposes?
• In accordance with the IPC, where should expansion tanks be installed?
• What is a water pipe riser primarily used for?
• How deep can notches be made in solid sawn beams?
• What is the purpose of a special gas vent?
• What is the primary purpose of fittings in a gas piping system?
• Which appliance type is typically associated with Type B Vents?
• What is the maximum distance for hot or tempered water piping from the heating source to the fixture without a circulation system?
• What must be installed to connect a building drain to a public sewer when the upstream manhole is above the drain floor level?
• What is one of the key characteristics of flue gases?
• What does the fuel piping system include from the point of delivery?
• Under what condition must indirect waste pipes be trapped?
• How must the portion of the stack above an offset be sized according to IPC regulations?
• What is the purpose of an interceptor in a plumbing system?
• Which of the following types of vent is specifically used for listed category 2, 3, and 4 appliances?
• What is the minimum height requirement for a standpipe in relation to a clothes washer?
• What is the maximum temperature setting for a combination temperature and pressure relief valve?
• What does labeled equipment signify?
• For which of the following uses must hot water be provided?
• At what diameter does the minimum size of any building drain serving a water closet need to be?
• What is the purpose of an appliance in plumbing?
• What is the function of a chimney in plumbing systems?
• What does the horizontal branch drain do in a plumbing system?
• What minimum slope is required for horizontal drain pipes of 3 inches in size?
• In plumbing terminology, what does "public" indicate about fixtures?
• What constitutes an appliance in plumbing?
• What is the function of a Connector, Chimney or Vent?
• What size drain is required for food waste disposers in residential settings?
• Where must cleanouts be located in relation to the building drain and building sewer junction?
• What is the main purpose of a vent stack?
• How frequently are cleanouts required in 8-inch diameter drain lines?
• What is the maximum number of drainage fixture units (dfu) for a building drain with a 2-inch diameter pipe at a slope of 1/4 inch?
• What does 'ready access' refer to in plumbing?
• Which of the following best defines graywater?
• When sleeving through a foundation, the sleeve must be how much larger than the pipe?
• What does developed length refer to in plumbing?
• What is the purpose of an extension on a stack vent?
• What is the definition of specific gravity?
• What is the function of a yoke vent in plumbing?
• What is the function of a quick-closing valve?
• What is the maximum allowable width for notching in a solid sawn beam?
• What does the term "gravity" imply regarding a grease interceptor?
• What is the minimum required size for the access opening to remove a water heater in an attic?
• What is an individual vent in plumbing?