RHODE ISLAND JOURNEYMAN/MASTER PLUMBER EXAM NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
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"
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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
Sheet copper shall not weigh less than: - ANSWER-12 ounces
per square foot
Urinals shall not be substituted for more than what percent of
water closets? - ANSWER-67%
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Shower and Tub/Shower valves maximum hot water setting is: -
ANSWER-120 degrees
Maximum water temperature of a tankless heater or domestic hot
water heater is: - ANSWER-140 degrees
Maximum setting of a temperature pressure and relief valve or a
combination thereof is: - ANSWER-210 degrees 150 psi
Minimum working pressure of a domestic water service either
outside or buried is: - ANSWER-160 psi
All hot water distribution piping and tubing shall have a minimum
pressure rating of: - ANSWER-100 psi @180 degrees
Disinfection of the potable water system uses: - ANSWER-50
parts per million of chlorine for 24 hours
The discharge from a reverse osmosis system enters the
drainage system through: - ANSWER-Air gap or air gap device