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MAINE JOURNEYMAN PLUMBING EXAM TEST
BANK ALL WITH 280 QUESTIONS AND
CORRECT DETAILED SOLUTIONS JUST
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QUESTION: that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer A) Building subdrain B)soil stack C)Building Sewer D)Building drain - ANSWER✔✔Building drain QUESTION: A vertical vent that is a continuation of the drain to which it connects A) Continuous vent B) Yoke Vent C) Up Vent D) Standard Vent - ANSWER✔✔Continuous vent
QUESTION: a specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a common waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain A) Combination Waste and Vent system B) Drain air system C) Oversized drain D) Flat Drain - ANSWER✔✔Combination Waste and vent system QUESTION: Where parallel vertical stacks are installed, the connection for the soil stacks shall be via: A) Backflow tee B) Typical Wye C) Drain Tee D) Yoke Vent - ANSWER✔✔Yoke vent QUESTION: You are looking at a 16 foot long cylinder that is 4 feet wide. If it is entirely full, how much water is in the cylinder? A) 200. B) C) 300 - ANSWER✔✔200.
QUESTION: branch - ANSWER✔✔Horizontal pipe QUESTION: Yoke vent - ANSWER✔✔A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stack QUESTION: PEX Pipe - ANSWER✔✔Polyethylene cross link QUESTION: Wet Vent - ANSWER✔✔A vent which also serves as a drain QUESTION: invert - ANSWER✔✔The lowest point of the inside of a drain, pipe, channel, or other liquid-carrying conduit. QUESTION: Trap Primer - ANSWER✔✔A device and system of piping that maintains a water seal in a remote trap. QUESTION: Static Pressure - ANSWER✔✔the pressure existing without any flow motion. QUESTION: Main Vent (Vent Stack) - ANSWER✔✔principal artery of the venting system
QUESTION: BRAZED JOINT - ANSWER✔✔any joint obtained by joining of metal parts with alloys which melt at temperatures higher than 840F, but lower than the melting temperature of the parts to be joined. QUESTION: soldered joint - ANSWER✔✔any pipe joint obtained by joining metal parts with metallic mixtures or alloys which melt at a temperature below 800F and above 300F QUESTION: BUILDING SUBDRAIN - ANSWER✔✔that portion of an underground system, which cannot drain by gravity into the building sewer QUESTION: Rain Leader - ANSWER✔✔Pipe used to carry rainwater from the roof to the ground and away from the building. Rain leaders can be enclosed within the building thermal envelope and daylight only when discharging from the building or can be surface-mounted on the exterior of the building. QUESTION: Water Hammer Arrestor - ANSWER✔✔a device that absorbs the hydraulic shock caused by the sudden stopping of water flow, usually installed near clothes washing machine and dishwasher water supply connections.
QUESTION: air break - ANSWER✔✔a physical SEPARATION between a waste pipe and an indirect waste receptor. QUESTION: air gap - ANSWER✔✔an air space that separates a water supply outlet from a potentially contaminated source QUESTION: ADA - ANSWER✔✔Americans with Disabilities Act QUESTION: Water closets, urinals, & Bidets set side by side shall be no closer than - ANSWER✔✔30" center to center QUESTION: minimum distance from a side wall to the center of a urinal - ANSWER✔✔12" QUESTION: Tailpiece - ANSWER✔✔pipe or tubing that connects the outlet of a plumbing fixture to a trap QUESTION: minimum tailpiece for lavatory - ANSWER✔✔1 1/4" QUESTION: Water closet/bidet clear space in front - ANSWER✔✔24"
QUESTION: maximum bidet temp - ANSWER✔✔ 110 QUESTION: First Hour Rating - ANSWER✔✔water heater size chart QUESTION: Water heaters installed in residential garages shall be installed so that all burners and burner-ignition devices are located not less than 18 inches above the floor unless - ANSWER✔✔it is listed as flammable vapor ignition resistant QUESTION: a passageway for a water heater in an attic must be - ANSWER✔✔24" wide QUESTION: water heater attic access must be - ANSWER✔✔floored QUESTION: in a gang shower, the maximum water temp discharging from any single head is A) 105 B) C) D)120 - ANSWER✔✔ 120 QUESTION: A clothes washer trap must not be installed: - ANSWER✔✔below the floor, with a trap less than 6" or more than 18" from the floor
QUESTION: minimum water service pipe size - ANSWER✔✔3/ QUESTION: A shower drain outlet shall not be smaller than - ANSWER✔✔2" QUESTION: minimum trap seal - ANSWER✔✔2" QUESTION: discharge from water heater relief valve into its own pan is - ANSWER✔✔Prohibited QUESTION: foot vent slope - ANSWER✔✔1/4" upward QUESTION: minimum size loop vent for kitchen sink - ANSWER✔✔1 1/ QUESTION: minimum size loop vent for kitchen sink - ANSWER✔✔1 1/ QUESTION: 2" vent serves - ANSWER✔✔24 fixture units QUESTION: Lavatory fixture unit - ANSWER✔✔1 DFU QUESTION: Bathtub fixture unit - ANSWER✔✔2 DFU
QUESTION: Water Closet fixture unit - ANSWER✔✔4 DFU QUESTION: Water heater pans shall be drained by an indirect waste pipe of no less than ___ diameter or the diameter of the outlet of the required relief valve for the water heater. - ANSWER✔✔3/4" QUESTION: vacumm breaker generally installed - ANSWER✔✔6" above fixture QUESTION: Water chlorine mix must stay in the system for - ANSWER✔✔24 hours QUESTION: max distance for a bar sink discharge before it needs a vent: - ANSWER✔✔5 feet max QUESTION: ICCA117.1 - ANSWER✔✔Standard for accessible and usable fixtures QUESTION: gallons of water in a cubic foot - ANSWER✔✔7. QUESTION: Definition of a bathroom - ANSWER✔✔A room with a shower or bathtub
QUESTION: Trough urinals shall be - ANSWER✔✔prohibited QUESTION: minimum and maximum threshold or curb for shower - ANSWER✔✔2" and 9" QUESTION: drinking fountains shall not be installed in - ANSWER✔✔public toilet rooms QUESTION: the tailpiece diameter for lavatories shall not be less than - ANSWER✔✔1 1/4" QUESTION: maximum water temperature discharging from a bidet - ANSWER✔✔ 110 QUESTION: the code requirement for an "adequate supply of potable water" is for - ANSWER✔✔cleansing and sanitation QUESTION: Ballcocks in WC tanks shall be installed so that the critical level of water is above the overflow at least - ANSWER✔✔1" QUESTION: PEX tubing shall not be installed within the first ___ of piping connected to a water heater - ANSWER✔✔18"
QUESTION: All malleable iron water fittings shall be ___. - ANSWER✔✔Galvanized QUESTION: Water piping systems shall be designed on the basis of the - ANSWER✔✔Minimum pressure QUESTION: Copper water piping may be installed with Type "M" when: - ANSWER✔✔Above ground only QUESTION: Immediately ahead of each water-supplied appliance and each slip joint or appliance supply is required a ___. - ANSWER✔✔Control valve QUESTION: the distance between a water heater and the union on the water lines shall be no more than - ANSWER✔✔12" QUESTION: The duration for a water system pressure test shall be for a period of not less than ________ minutes. - ANSWER✔✔ 15 QUESTION: Solder and fluxes used for potable water lines are prohibited when the lead content exceeds - ANSWER✔✔0.2 of 1%
QUESTION: when a 4" drain is sloped at 1/8" instead of 1/4", this results in: - ANSWER✔✔A reduction in fixture unit loading allowed QUESTION: Drainage connections shall not be made into a drainage piping system within ______________________ of any vertical to horizontal change of direction of a stack containing suds-producing fixtures. - ANSWER✔✔8 feet QUESTION: the maximum fixture units allowed on a 4" line with 1/8" slope - ANSWER✔✔ 173 QUESTION: A straight run of building sewer will require cleanouts at interalls not to exceed - ANSWER✔✔100' QUESTION: Building sewers 8" or larger can be sloped at __ with approval of the AHJ - ANSWER✔✔1/16" QUESTION: maximum distance between manholes shall not exceed - ANSWER✔✔300 feet QUESTION: Cleanouts shall be designed to be - ANSWER✔✔gastight and watertight QUESTION: All indirect waste piping that requires an air gap shall discharge into the building drainage system through - ANSWER✔✔A 1" minimum airgap
QUESTION: Minimum size indirect waste pipe (exceptions for refrigeration coils and ice makers)
- ANSWER✔✔No smaller than drain, AND 1" minimum QUESTION: Developed length from fixture outlet of a bar sink to its receptor: - ANSWER✔✔ 5 feet maximum QUESTION: A standpipe for a clothes washer shall be between: - ANSWER✔✔18" and 30" QUESTION: Water with a temperature above __ shall not be discharged under pressure, directly into the drainage system: - ANSWER✔✔140 degrees QUESTION: Condensate from fuel-burning condensing appliances shall be collected and discharged - ANSWER✔✔To an approved plumbing fixture or disposal area QUESTION: If the trap from a sink located in a bar cannot be vented, - ANSWER✔✔The drain shall discharge through an air gap or air break into a receptor that is vented QUESTION: One factor for determining the size of a vent pipe is ___. - ANSWER✔✔Its length
QUESTION: Horizontal vent pipes must be installed: - ANSWER✔✔level or pitched towards the drain they serve QUESTION: minimum size vent serving a 4" trap - ANSWER✔✔2" QUESTION: Vent terminations in locations with design temperatures bellow 0 must be a minimum of: - ANSWER✔✔2" QUESTION: increasing vents one pipe size will: - ANSWER✔✔remove lengths and limitations QUESTION: Minimum size drain for island vented sink: - ANSWER✔✔2" QUESTION: Long mains shall be provided with relief vents at intervals of - ANSWER✔✔100 feet QUESTION: Horizontal wet venting ___. - ANSWER✔✔shall be permitted for a bathroom group located on the same floor level QUESTION: What is the typical height of a handicap toilet: - ANSWER✔✔18", but available in 16" and 20"
QUESTION: The provisions for licensing are determined by: - ANSWER✔✔The AHJ QUESTION: What is the minimum unobstructed opening of egress when a shower door is installed for a typical shower? - ANSWER✔✔22" QUESTION: The minimum vertical distance from the bottom of an indirect drain line to its receptor's flood rim is - ANSWER✔✔1" QUESTION: What are the maximum number fixtures that can be connected to a horizontal branch? - ANSWER✔✔ 8 QUESTION: Circuit Vent - ANSWER✔✔A branch vent that serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack QUESTION: Flexible water connections are required to be - ANSWER✔✔accessible (concealed in a cabinet is fine, but must have access) QUESTION: Water heaters, hose bibs and sill cocks are normally protected from backflow with - ANSWER✔✔vacuum breaker
