RHODE ISLAND JOURNEYMAN PLUMBER
EXAM 2026 ACTUAL TEST PAPER WITH
VERIFIED ANSWERS
⫸ 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
⫸ What is the horizontal spacing for steel piping ? Answer: 12 feet
EXAM 2026 ACTUAL TEST PAPER WITH
VERIFIED ANSWERS
⫸ 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
⫸ What is the horizontal spacing for steel piping ? Answer: 12 feet
