RHODE ISLAND JOURNEYMAN PLUMBER EXAM
EXAM STUDY GUIDE 2026 PRACTICE
◉ In what room is a water fountain prohibited? Answer: Bathroom
◉ What is required for a sewer ejector to be passed? Answer: Check
valve/ Full Port Valve
◉ 1 1/4 Copper pipe or smaller, what is the hanger spacing for
horizontal? Answer: 6 feet
◉ What is the Maximum Vertical distance from fixture outlet to the
trap? Answer: 24 inches
◉ How many roof drains for a 10,000 square foot roof or less?
Answer: 2 (minimum 4 inch)
◉ What is the name of the pipe that transfers water from the roof
drain to the building sewer? Answer: Leader
◉ What is the size of the water supply to a 1 piece toilet ? Answer: 1
piece ( 1/2 ) 2 piece (3/8)
, ◉ At water temperature is water considered hot ? Answer: 110
◉ What type of vent connects several individual vents on a branch ?
Answer: Branch vent
◉ What type of joints are used for tub drains ? Answer: Slip joints
◉ Grease interceptors are vented how ? Answer: Not to become air
bound
◉ Domestic water shall not exceed what psi before a pressure
reducing valve has to be installed ? Answer: 80 PSI
◉ Hot water distribution is tested at what min temperature and PSI
rating ? Answer: 100 PSI at 180 degrees F
◉ T & P valves are rated for what temperature and pressure ?
Answer: 150 PSI and 210 degrees
◉ Minimum size of a floor drain is ? Answer: 2 inch
◉ A permit is valid for how many day? Answer: 6 months or 180
days
EXAM STUDY GUIDE 2026 PRACTICE
◉ In what room is a water fountain prohibited? Answer: Bathroom
◉ What is required for a sewer ejector to be passed? Answer: Check
valve/ Full Port Valve
◉ 1 1/4 Copper pipe or smaller, what is the hanger spacing for
horizontal? Answer: 6 feet
◉ What is the Maximum Vertical distance from fixture outlet to the
trap? Answer: 24 inches
◉ How many roof drains for a 10,000 square foot roof or less?
Answer: 2 (minimum 4 inch)
◉ What is the name of the pipe that transfers water from the roof
drain to the building sewer? Answer: Leader
◉ What is the size of the water supply to a 1 piece toilet ? Answer: 1
piece ( 1/2 ) 2 piece (3/8)
, ◉ At water temperature is water considered hot ? Answer: 110
◉ What type of vent connects several individual vents on a branch ?
Answer: Branch vent
◉ What type of joints are used for tub drains ? Answer: Slip joints
◉ Grease interceptors are vented how ? Answer: Not to become air
bound
◉ Domestic water shall not exceed what psi before a pressure
reducing valve has to be installed ? Answer: 80 PSI
◉ Hot water distribution is tested at what min temperature and PSI
rating ? Answer: 100 PSI at 180 degrees F
◉ T & P valves are rated for what temperature and pressure ?
Answer: 150 PSI and 210 degrees
◉ Minimum size of a floor drain is ? Answer: 2 inch
◉ A permit is valid for how many day? Answer: 6 months or 180
days
