RHODE ISLAND JOURNEYMAN PLUMBER EXAM 2026 PLUMBING SYSTEMS AND MATERIALS ASSESSMENT STUDY GUIDE COMPLETE QUESTIONS AND ANSWERS

RHODE ISLAND JOURNEYMAN PLUMBER EXAM
2026 PLUMBING SYSTEMS AND MATERIALS
ASSESSMENT STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS


◉ 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". Answer: Minimum size floor drains for public laundries or
central washing facilities is:


◉ 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:


◉ 67%. Answer: Urinals shall not be substituted for more than what
percent of water closets?