RHODE ISLAND JOURNEYMAN
PLUMBER PRACTICE SET 2026
TESTED QUESTIONS AND CORRECT
SOLUTIONS
◉ Water Services Shall Be Installed Not Less Than: Answer: 4' 6"
Below Grade
◉ Piping installed in exterior walls or areas subject to freezing must:
Answer: Insulated/Heated or Both
◉ Building Sewers connected to a public sewer shall have a minimum
coverage of: Answer: 36" Below Grade
◉ A safe waste pan shall be installed Answer: Under a water heater 6
gallons or greater that is elevated
◉ A safe waste pan shall be at least Answer: 2" deep with 2" clearance
around heater
◉ Water service piping and building drain/sewer shall be separated by:
Answer: 10' undisturbed compacted earth
,◉ Water service separation distance is not required if: Answer: Water
line is installed minimum 12" above sewer line at highest point
◉ Distance for a septic tank/sewer to a private water supply(well) is:
Answer: 50'
◉ Where frost closure is common an increase in vent size shall take
place: Answer: 6"below the roof with an approved fitting
◉ High Hazard flood zone is: Answer: "V" zone (subject to wave
heights in excess of 3')
◉ Lead free pipe and fittings contain less than: Answer: 8.0% Lead
◉ Hot water is water at temperature greater than or equal to: Answer:
110 degrees
◉ Lead free solder and flux contain no more than Answer: 0.2% Lead
◉ Strainer plates on drain lines for rodent proofing must have openings:
Answer: 0.5 inches
◉ Sleeves for pipes passing through foundation walls or under footings
shall be: Answer: Two pipe size greater than the pipe passing through it
, ◉ Travel distance to toilet facilities in merchantile/occupancies are:
Answer: 500'
◉ Travel distance to toilet facilities in covered malls are: Answer: 300'
◉ Water closets, bidets or lavatories shall have a clearance from center
of fixture to wall of: Answer: 15"
◉ The required clearance from front of fixture to a wall, door or other
fixture is: Answer: 21"
◉ Minimum size floor drains for public laundries or central washing
facilities is: Answer: 3"
◉ Shower waste outlets shall be minimum of: Answer: 1 1/2"
◉ Minimum size removable strainer for shower compartments are:
Answer: 3"
◉ Minimum size floor drain strainer opening is: Answer: .25 inches
◉ Sheet lead shall not weigh less than: Answer: 4 pounds per square
foot
PLUMBER PRACTICE SET 2026
TESTED QUESTIONS AND CORRECT
SOLUTIONS
◉ Water Services Shall Be Installed Not Less Than: Answer: 4' 6"
Below Grade
◉ Piping installed in exterior walls or areas subject to freezing must:
Answer: Insulated/Heated or Both
◉ Building Sewers connected to a public sewer shall have a minimum
coverage of: Answer: 36" Below Grade
◉ A safe waste pan shall be installed Answer: Under a water heater 6
gallons or greater that is elevated
◉ A safe waste pan shall be at least Answer: 2" deep with 2" clearance
around heater
◉ Water service piping and building drain/sewer shall be separated by:
Answer: 10' undisturbed compacted earth
,◉ Water service separation distance is not required if: Answer: Water
line is installed minimum 12" above sewer line at highest point
◉ Distance for a septic tank/sewer to a private water supply(well) is:
Answer: 50'
◉ Where frost closure is common an increase in vent size shall take
place: Answer: 6"below the roof with an approved fitting
◉ High Hazard flood zone is: Answer: "V" zone (subject to wave
heights in excess of 3')
◉ Lead free pipe and fittings contain less than: Answer: 8.0% Lead
◉ Hot water is water at temperature greater than or equal to: Answer:
110 degrees
◉ Lead free solder and flux contain no more than Answer: 0.2% Lead
◉ Strainer plates on drain lines for rodent proofing must have openings:
Answer: 0.5 inches
◉ Sleeves for pipes passing through foundation walls or under footings
shall be: Answer: Two pipe size greater than the pipe passing through it
, ◉ Travel distance to toilet facilities in merchantile/occupancies are:
Answer: 500'
◉ Travel distance to toilet facilities in covered malls are: Answer: 300'
◉ Water closets, bidets or lavatories shall have a clearance from center
of fixture to wall of: Answer: 15"
◉ The required clearance from front of fixture to a wall, door or other
fixture is: Answer: 21"
◉ Minimum size floor drains for public laundries or central washing
facilities is: Answer: 3"
◉ Shower waste outlets shall be minimum of: Answer: 1 1/2"
◉ Minimum size removable strainer for shower compartments are:
Answer: 3"
◉ Minimum size floor drain strainer opening is: Answer: .25 inches
◉ Sheet lead shall not weigh less than: Answer: 4 pounds per square
foot
