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Journeyman Plumber Exam Preview
Questions with 100% Correct Answers.
- 6"below the roof with an approved fitting - Correct Ans: ✔✔Where frost closure is common an increase in vent size shall take place:
- "V" zone (subject to wave heights in excess of 3') - Correct Ans: ✔✔High Hazard flood zone is:
- 8.0% Lead - Correct Ans: ✔✔Lead free pipe and fittings contain less than:
- 110 degrees - Correct Ans: ✔✔Hot water is water at temperature greater than or equal to:
- 0.2% Lead - Correct Ans: ✔✔Lead free solder and flux contain no more than
- 0.5 inches - Correct Ans: ✔✔Strainer plates on drain lines for rodent proofing must have openings:
- Two pipe size greater than the pipe passing through it - Correct Ans: ✔✔Sleeves for pipes passing through foundation walls or under footings shall be:
- 500' - Correct Ans: ✔✔Travel distance to toilet facilities in merchantile/occupancies are:
- 300' - Correct Ans: ✔✔Travel distance to toilet facilities in covered malls are:
- 15" - Correct Ans: ✔✔Water closets, bidets or lavatories shall have a clearance from center of fixture to wall of:
- 21" - Correct Ans: ✔✔The required clearance from front of fixture to a wall, door or other fixture is:
- 3" - Correct Ans: ✔✔Minimum size floor drains for public laundries or central washing facilities is:
- 1 1/2" - Correct Ans: ✔✔Shower waste outlets shall be minimum of:
- 3" - Correct Ans: ✔✔Minimum size removable strainer for shower compartments are:
- .25 inches - Correct Ans: ✔✔Minimum size floor drain strainer opening is:
- 4 pounds per square foot - Correct Ans: ✔✔Sheet lead shall not weigh less than:
- 50 parts per million of chlorine for 24 hours - Correct
Ans: ✔✔Disinfection of the potable water system uses:
- Air gap or air gap device - Correct Ans: ✔✔The discharge from a reverse osmosis system enters the drainage system through:
- Side by side in the same trench - Correct Ans:
✔✔Sanitary sewer and storm drains for the same property can be installed:
- Not less than 1" - Correct Ans: ✔✔Molten lead should be poured in one operation to a depth of:
- 0.125 inches - Correct Ans: ✔✔A lead pour when caulked shall not recede
- 100 Feet - Correct Ans: ✔✔Cleanouts for horizontal drains and building sewers 6" and smaller shall be located every:
- 400' - Correct Ans: ✔✔Building sewers 8" and larger manholes must be installed every:
- 2" - Correct Ans: ✔✔Each fixture trap shall have a trap seal of not less than:
- 2 - Correct Ans: ✔✔Minimum number of roof drains in a building 10,000 square feet or less:
- 4 - Correct Ans: ✔✔Minimum number of roof drains in a building 10,000 square feet or more:
- 3/4" - Correct Ans: ✔✔Minimum size of water service pipe:
- Intergral - Correct Ans: ✔✔A clinical sink has the following trap type
- Vacuum Breakers - Correct Ans: ✔✔Flushometer valves and tanks shall have:
- 30 x 30 - Correct Ans: ✔✔Shower compartments shall not be less than
- 2 " - Correct Ans: ✔✔Commercial food waste grinder shall be connected to a minimum drain size of:
- 1.5" deep with a 3/4" drain - Correct Ans: ✔✔Water heater pan size and drain size is:
- Air Break - Correct Ans: ✔✔Waste from an automatic clothes washer discharges through an
- Air Gap or Backflow Preventer - Correct Ans: ✔✔Water connection to a bidet protected by an
- Air Gap or Backflow Preventer - Correct Ans: ✔✔Water connection to a dishwasher is protected by an
- 4" - Correct Ans: ✔✔Roof drains shall have strainers extending above the roof a minimum of:
- There are 15 or less employees - Correct Ans:
✔✔Separate toilet facilities are not required when
- 1/4" - Correct Ans: ✔✔Minimum pitch for 2 1/2" piping and smaller is:
- 1 1/2" - Correct Ans: ✔✔Minimum size wet vent piping is:
- 1/2" OD - Correct Ans: ✔✔What is the minimum supply tube to a one-piece toilet?
- Conductor - Correct Ans: ✔✔What is the line in the building that carries water from the roof to the sewer called?
- 1 1/2" - Correct Ans: ✔✔What is the minimum size outlet for a shower in RI?
- 18" and 42" - Correct Ans: ✔✔What is the minimum and maximum length of a waste stack to a trap weir?
- A pressure reducing backflow preventer - Correct Ans:
✔✔What must be installed before connecting and irrigation system to a potable water supply?
- Always follow the manufacturers instructions - Correct
Ans: ✔✔Can combustible liquids that condense be allowed down the public sewer?
- It should be sized to the outlet of the food waste grinder -
Correct Ans: ✔✔How should a grease trap be sized when hooking it up to a commercial food waste grinder?
- 4.5' underground - Correct Ans: ✔✔Water pipe should be buried ____________ feet underground.
- 10' and 2' - Correct Ans: ✔✔A vent which extrudes out the side of a building should be at least _______ and ______ away from doors and windows.
- 80 psi - Correct Ans: ✔✔At what pressure does RI require a PRV?
- True - Correct Ans: ✔✔It is required by the general contractor to have a clean restroom facilities on the job?
- Must hold 5 psi for 5 minutes - Correct Ans: ✔✔What are the requirements for an air test on a drainage system?
- 1 gallon - Correct Ans: ✔✔How many gallons does a urinal use during a flush cycle?
- Individually - Correct Ans: ✔✔A commercial food waste grinder should be trapped ___________________.
- 2" - Correct Ans: ✔✔A commercial food waste grinder should have a minimum outlet of _____________.
- Air Break - Correct Ans: ✔✔What is required to be utilized in the waste of a clothes washer waste?
- Air Gap - Correct Ans: ✔✔Unobstructed vertical distance through the free atmosphere between the outlet of the waste pipe and the flood level rim of the receptacle into which the waste pipe is discharging.
- Well - Correct Ans: ✔✔Bored, Dug and Driven are examples of what?
- 24" and 30" - Correct Ans: ✔✔The vertical distance from the fixture outlet to the trap weir shall not exceed ________________ and the horizontal distance shall not exceed _______________ measured from the centerline of the fixture outlet to the centerline of the inlet of the trap.
- Half the square footage of the vertical wall - Correct Ans:
✔✔How much of a vertical wall should be added to the square footage calculation of a roof?
- 18" and 36" respectively - Correct Ans: ✔✔What is the clearance for rodding of a 6" pipe and an 8" pipe?
- Above - Correct Ans: ✔✔A vent must connect _______________ the centerline of a waste line.
- A vent connecting one or more individual vents with a
vent stack or stack vent. - Correct Ans: ✔✔What is a branch vent?
- .434 * 82 = 35.59 psi - Correct Ans: ✔✔What is the pressure in pounds at the base of a stack 82' high?
- 36" below grade - Correct Ans: ✔✔A sewer must be buried a minimum of ____________ below grade.
- A Men's Room - Correct Ans: ✔✔A drinking fountain cannot be installed in a _____________.
- 6" - Correct Ans: ✔✔The critical level of an atmospheric vacuum breaker must be installed a minimum of __________ above the flood level rim of the fixture or device.
- 1 1/4" - Correct Ans: ✔✔The minimum size vent in RI is ____________.
- Yes, 6" above the highest fixture on that floor. - Correct
Ans: ✔✔Can other fixtures vents be tied to a Clinical Service sink in a hospital?
- 2 1/2 x Diameter of drain size - Correct Ans:
✔✔Minimum distance for Air Gap?
- 24" - Correct Ans: ✔✔Maximum distance riser on drain to trap?
- No. Needs Approval from Inspector. - Correct Ans: ✔✔Is a Building Trap Legal to install?
- No - Correct Ans: ✔✔Can a Food Waste Grinder be connected to any other fixture?
- No - Correct Ans: ✔✔Can storm drains be connected to sewer as 'storm sewer'?
- 144 (X=62.5/.434) - Correct Ans: ✔✔6" pipe with 62. psi. How many feet of head pressure?
- Capacity / .0408 x diameter (feet) squared - Correct Ans:
✔✔Length (feet) =
- .0408 x diameter (inches) squared x L (feet) - Correct Ans:
✔✔Capacity (gallons) =
- .0034 x diameter (inches) squared x L (inches) - Correct
Ans: ✔✔Capacity (gallons) =
- Air Gap - Correct Ans: ✔✔Waste from Commercial Dishwasher
- 18-42" Min 2" - Correct Ans: ✔✔Laundry Stand Pipe
- 2 - Correct Ans: ✔✔Drainage Fixture Unit on Res. Washer Machine & Bathub
- 4 - Correct Ans: ✔✔Drainage Fixture Unit on Res. Toilet
- Thru Indirect Waste With air gap and have approval from
authority - Correct Ans: ✔✔Swimming Pool Waste Shall Discharge
- no - Correct Ans: ✔✔Does Waste from emergency eye wash need a drain
- Pipe inside building that conveys storm water from roof
to storm sewer or combined sewer - Correct Ans: ✔✔What is a Conductor
- An exterior Roof Drain - Correct Ans: ✔✔What is a Storm Leader
- Shall discharge by air gap - Correct Ans: ✔✔What kind of Discharge does a reverse osmosis need
- Indirectly Wasted With Air Gap - Correct Ans: ✔✔How is an Ice Machine Drained?
- After 1 Employee - Correct Ans: ✔✔When do you need Workers Compensation?
- OSHA cards are required in RI if you are working on State
and Municipal projects. - Correct Ans: ✔✔When are OSHA Cards Required?
- Siphonage - Correct Ans: ✔✔You Vent a sink to prevent what?
- $1,000 - Correct Ans: ✔✔You need to pay the prevailing wage on state jobs when you are over what Amount?
- 230 Gallons - Correct Ans: ✔✔4" Pipe 150 Feet Long, How many Gallons?
- 10 - Correct Ans: ✔✔A master plumber employs 3 master plumbers, and 6 journeyman. How many apprentices can he have.
- 2.2GPM - Correct Ans: ✔✔Maximum flow rate at a 60PSI Lavatory
- 7.5 - Correct Ans: ✔✔how much gallons of water in a cubic foot
- 10' undisturbed compacted earth - Correct Ans:
✔✔Water service piping and building drain/sewer shall be separated by:
- Water line is installed minimum 12" above sewer line at
highest point - Correct Ans: ✔✔Water service separation distance is not required if:
- 50' - Correct Ans: ✔✔Distance for a septic tank/sewer to a private water supply(well) is:
