RHODE ISLAND JOURNEYMAN PLUMBER
EXAM 2026 FINAL PAPER QUESTIONS
WITH FULL SOLUTION
⫸ 4' 6" Below Grade Answer: Water Services Shall Be Installed Not
Less Than:
⫸ Insulated/Heated or Both Answer: Piping installed in exterior walls
or areas subject to freezing must:
⫸ 36" Below Grade Answer: Building Sewers connected to a public
sewer shall have a minimum coverage of:
⫸ Under a water heater 6 gallons or greater that is elevated Answer: A
safe waste pan shall be installed
⫸ 2" deep with 2" clearance around heater Answer: A safe waste pan
shall be at least
⫸ 5' undisturbed compacted earth Answer: Water service piping and
building drain/sewer shall be separated by:
⫸ Water line is installed minimum 12" above sewer line at highest point
Answer: Water service separation distance is not required if:
,⫸ 50' Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
⫸ 12"below the roof with an approved fitting Answer: Where frost
closure is common an increase in vent size shall take place:
⫸ "V" zone (subject to wave heights in excess of 3') Answer: High
Hazard flood zone is:
⫸ 8.0% Lead Answer: Lead free pipe and fittings contain less than:
⫸ 110 degrees Answer: Hot water is water at temperature greater than
or equal to:
⫸ 0.2% Lead Answer: Lead free solder and flux contain no more than
⫸ 0.5 inches Answer: Strainer plates on drain lines for rodent proofing
must have openings:
⫸ Two pipe size greater than the pipe passing through it Answer:
Sleeves for pipes passing through foundation walls or under footings
shall be:
⫸ 500' Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
, ⫸ 300' Answer: Travel distance to toilet facilities in covered malls are:
⫸ 15" Answer: Water closets, bidets or lavatories shall have a clearance
from center of fixture to wall of:
⫸ 21" Answer: The required clearance from front of fixture to a wall,
door or other fixture is:
⫸ 3" for public, 2" for residential Answer: Minimum size floor drains
for public laundries or central washing facilities is:, and what is the
minimum size floor drain for residential setting
⫸ 1 1/2" Answer: Shower waste outlets shall be minimum of:
⫸ 3" Answer: Minimum size removable strainer for shower
compartments are:
⫸ .25 inches Answer: Minimum size floor drain strainer opening is:
⫸ 4 pounds per square foot Answer: Sheet lead shall not weigh less
than:
⫸ 12 ounces per square foot Answer: Sheet copper shall not weigh less
than:
EXAM 2026 FINAL PAPER QUESTIONS
WITH FULL SOLUTION
⫸ 4' 6" Below Grade Answer: Water Services Shall Be Installed Not
Less Than:
⫸ Insulated/Heated or Both Answer: Piping installed in exterior walls
or areas subject to freezing must:
⫸ 36" Below Grade Answer: Building Sewers connected to a public
sewer shall have a minimum coverage of:
⫸ Under a water heater 6 gallons or greater that is elevated Answer: A
safe waste pan shall be installed
⫸ 2" deep with 2" clearance around heater Answer: A safe waste pan
shall be at least
⫸ 5' undisturbed compacted earth Answer: Water service piping and
building drain/sewer shall be separated by:
⫸ Water line is installed minimum 12" above sewer line at highest point
Answer: Water service separation distance is not required if:
,⫸ 50' Answer: Distance for a septic tank/sewer to a private water
supply(well) is:
⫸ 12"below the roof with an approved fitting Answer: Where frost
closure is common an increase in vent size shall take place:
⫸ "V" zone (subject to wave heights in excess of 3') Answer: High
Hazard flood zone is:
⫸ 8.0% Lead Answer: Lead free pipe and fittings contain less than:
⫸ 110 degrees Answer: Hot water is water at temperature greater than
or equal to:
⫸ 0.2% Lead Answer: Lead free solder and flux contain no more than
⫸ 0.5 inches Answer: Strainer plates on drain lines for rodent proofing
must have openings:
⫸ Two pipe size greater than the pipe passing through it Answer:
Sleeves for pipes passing through foundation walls or under footings
shall be:
⫸ 500' Answer: Travel distance to toilet facilities in
merchantile/occupancies are:
, ⫸ 300' Answer: Travel distance to toilet facilities in covered malls are:
⫸ 15" Answer: Water closets, bidets or lavatories shall have a clearance
from center of fixture to wall of:
⫸ 21" Answer: The required clearance from front of fixture to a wall,
door or other fixture is:
⫸ 3" for public, 2" for residential Answer: Minimum size floor drains
for public laundries or central washing facilities is:, and what is the
minimum size floor drain for residential setting
⫸ 1 1/2" Answer: Shower waste outlets shall be minimum of:
⫸ 3" Answer: Minimum size removable strainer for shower
compartments are:
⫸ .25 inches Answer: Minimum size floor drain strainer opening is:
⫸ 4 pounds per square foot Answer: Sheet lead shall not weigh less
than:
⫸ 12 ounces per square foot Answer: Sheet copper shall not weigh less
than:
