RHODE ISLAND JOURNEYMAN
PLUMBER EXAM REV QUESTIONS WITH
CORRECT ANSWERS
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?
120 degrees - Answer-Shower and Tub/Shower valves maximum hot water setting is:
140 degrees - Answer-Maximum water temperature of a tankless heater or domestic hot
water heater is:
210 degrees 150 psi - Answer-Maximum setting of a temperature pressure and relief
valve or a combination thereof is:
160 psi - Answer-Minimum working pressure of a domestic water service either outside
or buried is:
100 psi @180 degrees - Answer-All hot water distribution piping and tubing shall have a
minimum pressure rating of:
50 parts per million of chlorine for 24 hours - Answer-Disinfection of the potable water
system uses:
Air gap or air gap device - Answer-The discharge from a reverse osmosis system enters
the drainage system through:
Side by side in the same trench - Answer-Sanitary sewer and storm drains for the same
property can be installed:
Not less than 1" - Answer-Molten lead should be poured in one operation to a depth of:
0.125 inches - Answer-A lead pour when caulked shall not recede
100 Feet - Answer-Cleanouts for horizontal drains and building sewers 6" and smaller
shall be located every:
400' - Answer-Building sewers 8" and larger manholes must be installed every:
2" - Answer-Each fixture trap shall have a trap seal of not less than:
, 2 - Answer-Minimum number of roof drains in a building 10,000 square feet or less:
4 - Answer-Minimum number of roof drains in a building 10,000 square feet or more:
3/4" - Answer-Minimum size of water service pipe:
Intergral - Answer-A clinical sink has the following trap type
Vacuum Breakers - Answer-Flushometer valves and tanks shall have:
30 x 30 - Answer-Shower compartments shall not be less than
2 " - Answer-Commercial food waste grinder shall be connected to a minimum drain
size of:
1.5" deep with a 3/4" drain - Answer-Water heater pan size and drain size is:
3" below the installation level - Answer-When rock is encountered in trenching rock will
be removed to a minimum of:
4' - Answer-Hanger spacing for ABS pipe is:
10' head - Answer-Water testing of a drainage system requires a:
2.6 inches of rain per hour - Answer-Sizing of storm drains for Rhode Island is based
on:
5 - Answer-The Board of Appeals consists of how many members?
85 degrees to 110 degrees - Answer-Tempered water is water having a temperature
range of:
Driven - Answer-A casing is not required with what type of well?
Integrally installed air gap or backflow preventer - Answer-Backflow for an automatic
clothes washer is prevented by:
Air Break - Answer-Waste from an automatic clothes washer discharges through an
Air Gap or Backflow Preventer - Answer-Water connection to a bidet protected by an
Air Gap or Backflow Preventer - Answer-Water connection to a dishwasher is protected
by an
4" - Answer-Roof drains shall have strainers extending above the roof a minimum of:
PLUMBER EXAM REV QUESTIONS WITH
CORRECT ANSWERS
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?
120 degrees - Answer-Shower and Tub/Shower valves maximum hot water setting is:
140 degrees - Answer-Maximum water temperature of a tankless heater or domestic hot
water heater is:
210 degrees 150 psi - Answer-Maximum setting of a temperature pressure and relief
valve or a combination thereof is:
160 psi - Answer-Minimum working pressure of a domestic water service either outside
or buried is:
100 psi @180 degrees - Answer-All hot water distribution piping and tubing shall have a
minimum pressure rating of:
50 parts per million of chlorine for 24 hours - Answer-Disinfection of the potable water
system uses:
Air gap or air gap device - Answer-The discharge from a reverse osmosis system enters
the drainage system through:
Side by side in the same trench - Answer-Sanitary sewer and storm drains for the same
property can be installed:
Not less than 1" - Answer-Molten lead should be poured in one operation to a depth of:
0.125 inches - Answer-A lead pour when caulked shall not recede
100 Feet - Answer-Cleanouts for horizontal drains and building sewers 6" and smaller
shall be located every:
400' - Answer-Building sewers 8" and larger manholes must be installed every:
2" - Answer-Each fixture trap shall have a trap seal of not less than:
, 2 - Answer-Minimum number of roof drains in a building 10,000 square feet or less:
4 - Answer-Minimum number of roof drains in a building 10,000 square feet or more:
3/4" - Answer-Minimum size of water service pipe:
Intergral - Answer-A clinical sink has the following trap type
Vacuum Breakers - Answer-Flushometer valves and tanks shall have:
30 x 30 - Answer-Shower compartments shall not be less than
2 " - Answer-Commercial food waste grinder shall be connected to a minimum drain
size of:
1.5" deep with a 3/4" drain - Answer-Water heater pan size and drain size is:
3" below the installation level - Answer-When rock is encountered in trenching rock will
be removed to a minimum of:
4' - Answer-Hanger spacing for ABS pipe is:
10' head - Answer-Water testing of a drainage system requires a:
2.6 inches of rain per hour - Answer-Sizing of storm drains for Rhode Island is based
on:
5 - Answer-The Board of Appeals consists of how many members?
85 degrees to 110 degrees - Answer-Tempered water is water having a temperature
range of:
Driven - Answer-A casing is not required with what type of well?
Integrally installed air gap or backflow preventer - Answer-Backflow for an automatic
clothes washer is prevented by:
Air Break - Answer-Waste from an automatic clothes washer discharges through an
Air Gap or Backflow Preventer - Answer-Water connection to a bidet protected by an
Air Gap or Backflow Preventer - Answer-Water connection to a dishwasher is protected
by an
4" - Answer-Roof drains shall have strainers extending above the roof a minimum of:
